What is the C-IN2 discount code?
The C-IN2 discount code DPSAVE takes 15% off your entire order on briefs, jocks, thongs, tanks, and tees, tested at checkout on Oct 15, 2026. Enter DPSAVE in the discount code field at checkout.
15% OFF Your Entire Order
We applied DPSAVE at a live C-IN2 checkout to confirm it works. C-IN2 New York makes engineered men's underwear designed for comfort and fit, from jocks and boxers to briefs and thongs. The code works on their entire catalog.
Live prices from the C-IN2 catalog. The code applies at checkout.
C-Theory Dash Brief Oscar Orange
$8$28
High-cut brief that opens the thigh with bold color
Men's low-rise brief with high-cut leg opening and saturated color. Soft textured cotton with easy stretch. Sculpted 1-ply contour pouch. Covered elastic leg openings stay put. True to size, or size up for looser fit.
C-Theory Dash Brief Godfry Green
$8$28
High-cut brief in soft cotton with bold saturated color.
Men's low-rise brief with high-cut thigh in soft textured cotton. Sculpted 1-ply contour pouch with center-seam construction. Exposed elastic waistband with C-IN2 branding contrast. Check fit: true to size, or size up for looser fit.
Active Jock Nolan Navy
$6$30
Sculpted jock with featherlight mesh and all-day support.
Men's low-rise jockstrap built for performance. Featherlight vortex mesh wicks fast and resists pilling. Sculpted 1-ply contour pouch with center-seam construction. Check fit: true to size, or size up for looser fit.
Active Jock Olan Olive
$10.50$30
Sculpted jock with featherlight mesh and all-day support.
Men's low-rise jockstrap built for performance. Featherlight vortex mesh wicks fast and resists pilling. Sculpted 1-ply contour pouch with center-seam construction. Check fit: true to size, or size up for looser fit.
Active Jock Rocco Red
$6$30
Sculpted jock with featherlight mesh and all-day support.
Men's low-rise jockstrap built for performance. Featherlight vortex mesh wicks fast and resists pilling. Sculpted 1-ply contour pouch with center-seam construction. Check fit: true to size, or size up for looser fit.
Active Low Rise Brief Nolan Navy
$12.80$32
Low-rise brief that breathes, wicks, and disappears under clothes.
Men's low-rise brief in featherlight vortex mesh. Moisture-wicking, resists pilling through heavy use. Sculpted 1-ply contour pouch with breathable support. Check fit: true to size, or size up for looser fit.
Active Low Rise Brief Rocco Red
$12.80$32
Low-rise brief that breathes, wicks, and disappears under clothes.
Men's low-rise brief in featherlight vortex mesh. Moisture-wicking, resists pilling through heavy use. Sculpted 1-ply contour pouch with breathable support. Check fit: true to size, or size up for looser fit.
Active Thong Nolan Navy
$12$30
Minimal thong with sculpted pouch and featherlight vortex mesh.
Men's low-rise performance thong in featherlight vortex mesh. Sculpted 1-ply contour pouch with center-seam construction. Covered elastic leg openings lie flat. Check fit: true to size, or size up for looser fit.
C-Theory Dash Brief Borris Blue
$8$28
High-cut brief in soft cotton with bold saturated color.
Men's low-rise brief with high-cut thigh in soft textured cotton. Sculpted 1-ply contour pouch with center-seam construction. Exposed elastic waistband with C-IN2 branding contrast. Check fit: true to size, or size up for looser fit.
C-Theory Dash Brief Nasr Navy
$8$28
High-cut brief that opens the thigh with bold color
Men's low-rise brief with high-cut leg opening and saturated color. Soft textured cotton with easy stretch. Sculpted 1-ply contour pouch. Covered elastic leg openings stay put. True to size, or size up for looser fit.
C-Theory Dash Brief Plato Pink
$8$28
High-cut brief that opens the thigh with bold color
Men's low-rise brief with high-cut leg opening and saturated color. Soft textured cotton with easy stretch. Sculpted 1-ply contour pouch. Covered elastic leg openings stay put. True to size, or size up for looser fit.
C-Theory Dash Brief Timothy Teal
$8$28
High-cut brief that opens the thigh with bold color
Men's low-rise brief with high-cut leg opening and saturated color. Soft textured cotton with easy stretch. Sculpted 1-ply contour pouch. Covered elastic leg openings stay put. True to size, or size up for looser fit.
C-Theory Jock Plato Pink
$7$26
Athletic jockstrap with full front support and open back
Men's low-rise jockstrap with open back, full front coverage, and sculpted 1-ply contour pouch. Soft textured cotton breathes where you need it. Exposed elastic leg straps hold everything in place. True to size, or size up for looser fit.
C-Theory Low Rise Brief Borris Blue
$8$28
Saturated color, textured cotton, low-rise fit
Men's low-rise brief in textured cotton stretch. Sits below the waist with a clean profile under clothes. Sculpted contour pouch with center-seam construction and covered elastic leg openings. True to size; go up one for looser fit. Machine wash.
C-Theory Low Rise Brief Nasr Navy
$8$28
Navy brief, soft textured cotton, everyday wear
Men's low-rise brief in textured cotton stretch. Sits below the waist with a clean profile under clothes. Sculpted contour pouch with center-seam construction and covered elastic leg openings. True to size; go up one for looser fit. Machine wash.
C-Theory Low Rise Brief Plato Pink
$8$28
Pink low-rise, soft stretch, contrast details
Men's low-rise brief in textured cotton stretch. Sits below the waist with a clean profile under clothes. Sculpted contour pouch with center-seam construction and covered elastic leg openings. True to size; go up one for looser fit. Machine wash.
C-Theory Low Rise Brief Ruel Red
$8$28
Red low-rise, soft textured cotton, contrast waist
Men's low-rise brief in textured cotton stretch. Sits below the waist with a clean profile under clothes. Sculpted contour pouch with center-seam construction and covered elastic leg openings. True to size; go up one for looser fit. Machine wash.
C-Theory Mid Rise Brief Plato Pink
$8$28
Classic mid-rise brief in saturated color
Men's mid-rise brief with full coverage and contour pouch support. Soft textured cotton breathes all day. Check your usual size, or go one up for looser fit. Machine wash.
C-Theory Sport Brief Godfry Green
$8$28
Low-rise sport brief, minimal fabric, maximum move
Men's low-rise sport brief built for active days. Less fabric means zero bunching under shorts or slim pants. Covered elastic leg openings stay secure through movement. True to size, or size up for looser fit.
C-Theory Sport Brief Oscar Orange
$8$28
Low-rise sport brief, minimal fabric, maximum move
Men's low-rise sport brief built for active days. Less fabric means zero bunching under shorts or slim pants. Covered elastic leg openings stay secure through movement. True to size, or size up for looser fit.
C-Theory Sport Brief Pryce Purple
$8$28
Low-rise sport brief, minimal fabric, maximum move
Men's low-rise sport brief built for active days. Less fabric means zero bunching under shorts or slim pants. Covered elastic leg openings stay secure through movement. True to size, or size up for looser fit.
C-Theory Sport Brief Timothy Teal
$8$28
Sport brief with less fabric, more comfort.
Men's low-rise sport brief designed for all-day comfort. Soft textured cotton breathes and flexes with you. Covered elastic leg openings prevent chafing. True to size, or go one size up for looser fit.
C-Theory Thong Godfry Green
$7$26
Thong with zero visible lines.
Men's low-rise cotton thong with minimal coverage. Soft breathable fabric you'll forget you're wearing. Covered elastic openings sit flat against skin. True to size, or go one size up for looser fit.
C-Theory Thong Plato Pink
$7$26
Thong with zero visible lines.
Men's low-rise cotton thong with minimal coverage. Soft breathable fabric you'll forget you're wearing. Covered elastic openings sit flat against skin. True to size, or go one size up for looser fit.
C-Theory Thong Ruel Red
$7$26
Thong with zero visible lines.
Men's low-rise cotton thong with minimal coverage. Soft breathable fabric you'll forget you're wearing. Covered elastic openings sit flat against skin. True to size, or go one size up for looser fit.
Core Classic Thong Bond Blue
$7$26
Soft 100% cotton thong, no visible lines.
Men's low-rise cotton thong with narrow back strap and contour pouch. Zero visible lines under pants. True to size, or go one size up for a looser fit. Machine wash.
Core Classic Thong Gunther Gray
$7$26
Soft 100% cotton thong, no visible lines.
Men's low-rise cotton thong with narrow back strap and contour pouch. Zero visible lines under pants. True to size, or go one size up for a looser fit. Machine wash.
Core Classic Thong Primo Pink
$7$26
Soft 100% cotton thong, no visible lines.
Men's low-rise cotton thong with narrow back strap and contour pouch. Zero visible lines under pants. True to size, or go one size up for a looser fit. Machine wash.
Core Classic Thong White
$10.40$26
Soft 100% cotton thong, no visible lines.
Men's low-rise cotton thong with narrow back strap and contour pouch. Zero visible lines under pants. True to size, or go one size up for a looser fit. Machine wash.
Core Crew Socks 3 Pack Black
$28
Cushioned crew socks with invisible toe seam, pack of three
Three pairs of classic crew-height socks with cushioned footbed and arch support. Fits shoe sizes 9-12. Machine wash, may appear smaller after first wash due to elastane.
Core Dash Brief Black
$18.20$28
High-leg brief in 100% cotton, low-rise cut
Low-rise Dash Brief with high-leg opening for full mobility. Covered elastic leg openings stay smooth and stay put. Fits true to size, go one size up for looser fit. Machine wash.
Core Dash Brief Denim Blue
$28
High-leg brief in 100% cotton, low-rise cut
Low-rise Dash Brief with high-leg opening for full mobility. Covered elastic leg openings stay smooth and stay put. Fits true to size, go one size up for looser fit. Machine wash.
Core Dash Brief Geir Green
$8$28
High-leg brief in 100% cotton, low-rise cut
Low-rise Dash Brief with high-leg opening for full mobility. Covered elastic leg openings stay smooth and stay put. Fits true to size, go one size up for looser fit. Machine wash.
Core Dash Brief Raj Red
$8$28
High-leg brief that frees the thigh
Men's low-rise Dash Brief with high-leg cut and sculpted contour pouch. 100% cotton stays soft through many washes. True to size; go one size up for a looser fit.
Core Jock Black
$16.90$26
Cotton jock with open back support
Classic men's jockstrap with open back, low-rise cut, and 2.4-inch waistband. 100% cotton feels better with every wash. True to size; go one size up for looser fit.
Core Jock Fir Green
$26
Cotton jock with open back support
Classic men's jockstrap with open back, low-rise cut, and 2.4-inch waistband. 100% cotton feels better with every wash. True to size; go one size up for looser fit.
Core Jock Grey Heather
$16.90$26
Cotton jock with open back support
Classic men's jockstrap with open back, low-rise cut, and 2.4-inch waistband. 100% cotton feels better with every wash. True to size; go one size up for looser fit.
Core Jock Padget Pink
$16.90$26
Cotton jock with sculpted support and wide waistband.
Classic low-rise jockstrap with open back, wide leg straps, and center-seam construction. Support up front, open air behind. True to size, or size up for looser fit. Machine wash. Imported.
Core Jock White
$16.90$26
Cotton jock with sculpted support and wide waistband.
Classic low-rise jockstrap with open back, wide leg straps, and center-seam construction. Support up front, open air behind. True to size, or size up for looser fit. Machine wash. Imported.
Core Low No Show Socks 3 Pack Black
$25
Extra-low no-show socks that stay put all day.
Men's extra-low no-show liners sit below ankle, hidden in sneakers. Fits shoe sizes 9-12. Combed cotton blend with mesh zones for breathability. Disappears in low-profile shoes, never bunches. Machine wash, non-chlorine bleach on whites.
Core Low Rise Boxer Brief Black
$22.50$30
Low-rise boxer brief that won't ride up.
Men's low-rise boxer brief sits below the natural waist. Center-seam contour pouch, 2-ply functional fly, covered elastic legs stay smooth on thigh. True to size or size up for looser fit. Machine wash. Imported.
Core Low Rise Boxer Brief Denim Blue
$30
100% cotton low-rise, mid-thigh coverage that never rides
Men's low-rise boxer brief in 100% cotton with center-seam contour pouch, covered elastic leg openings, and 1.5" waistband. True to size, or go one size up for looser fit. Machine wash.
Core Low Rise Boxer Brief Grey Heather
$21$30
100% cotton low-rise, mid-thigh coverage that never rides
Men's low-rise boxer brief in 100% cotton with center-seam contour pouch, covered elastic leg openings, and 1.5" waistband. True to size, or go one size up for looser fit. Machine wash.
Core Low Rise Boxer Brief White (Smooth Leg Finish)
$12$30
Flat leg finish lies smooth under slim pants, no lines
Low-rise boxer brief with refined low-bulk elastic leg finish that won't pinch or ridge. 100% cotton, contour pouch, 1.5" waistband. True to size, or size up for looser fit. Machine wash.
Core Low Rise Brief Black
$18.20$28
100% cotton brief, smooth through seat, supportive up front
Men's low-rise brief in 100% cotton with sculpted 2-ply contour pouch, covered elastic leg openings, and 1.5" waistband. Clean profile stays smooth all day. True to size, or size up for looser fit. Machine wash.
Core Low Rise Brief Fir Green
$28
Soft 100% cotton brief you'll reach for daily.
Men's low-rise cotton brief with smooth seat and supportive front. Covered elastic leg openings prevent ride-up. True to size, or go one size up for looser fit. Machine wash.
Core Low Rise Brief Lagoon Blue
$5.60$28
Soft 100% cotton brief you'll reach for daily.
Men's low-rise cotton brief with smooth seat and supportive front. Covered elastic leg openings prevent ride-up. True to size, or go one size up for looser fit. Machine wash.
Core Low Rise Brief Primo Pink
$8$28
Soft 100% cotton brief you'll reach for daily.
Men's low-rise cotton brief with smooth seat and supportive front. Covered elastic leg openings prevent ride-up. True to size, or go one size up for looser fit. Machine wash.
Core Low Rise Brief Turmeric Orange
$9.80$28
Soft 100% cotton brief you'll reach for daily.
Men's low-rise cotton brief with smooth seat and supportive front. Covered elastic leg openings prevent ride-up. True to size, or go one size up for looser fit. Machine wash.
Core Low Rise Brief Wine Burgundy
$28
Soft 100% cotton brief, smooth and supportive
Men's low-rise brief in soft 100% cotton with a contour pouch for support and covered elastic leg openings that stay put. True to size, but size up for a looser fit. Machine wash.
Core Low Rise Trunk Black (Smooth Leg Finish)
$19.50$30
Refined trunk with shorter inseam, minimal leg bulk
Men's low-rise trunk with a shorter 2.5-inch inseam and smooth leg finish that lies flat. Soft cotton with sculpted contour pouch. True to size, or size up for looser fit. Machine wash.
Core Low Rise Trunk Fir Green
$30
3-inch trunk with boxer-brief security, no bulk
Men's low-rise cotton trunk with a 3-inch inseam and contour pouch. Covered elastic stays flat at the thigh without riding or bunching. True to size, or size up for looser fit. Machine wash.
Core Low Rise Trunk White
$12$30
3-inch trunk with boxer-brief security, no bulk
Men's low-rise cotton trunk with a 3-inch inseam and contour pouch. Covered elastic stays flat at the thigh without riding or bunching. True to size, or size up for looser fit. Machine wash.
Core Low Rise Trunk Wine Burgundy
$30
Compact trunk that never bunches under pants
Low-rise cotton trunk with a 3 inch inseam and contour pouch. Covered elastic leg openings sit flat at the upper thigh. Runs true to size, but size up if you prefer a looser fit. Machine wash.
Core Mid Rise Boxer Brief Grey Heather
$19.50$30
Classic mid rise fit in soft cotton
Mid-rise boxer brief that sits at your natural waist with a 5 inch inseam. Center-seam contour pouch and covered elastic leg openings. True to size, or size down for a snugger fit. Machine wash.
Core Mid Rise Boxer Brief Turmeric Orange
$21$30
Mid rise boxer that never needs adjusting
Sits at your natural waist with a 5 inch inseam. Center-seam contour pouch and covered elastic leg openings keep everything in place. True to size, or size up for more room. Machine wash.
Core Mid Rise Brief Black
$18.20$28
The classic brief, built to last
Sits at your natural waist with classic brief coverage. Sculpted 2-ply contour pouch with center seam and covered elastic leg openings. True to size, or size up for a looser fit. Machine wash.
Core Mid Rise Brief Fir Green
$28
100% cotton mid-rise brief, comfortable everyday staple
Men's mid-rise cotton brief with classic coverage and a sculpted 2-ply contour pouch. Sits at the natural waist with covered elastic leg openings. True to size (go one up for looser fit). Machine wash.
Core Mid Rise Brief Turmeric Orange
$9.80$28
100% cotton mid-rise brief, comfortable everyday staple
Men's mid-rise cotton brief with classic coverage and a sculpted 2-ply contour pouch. Sits at the natural waist with covered elastic leg openings. True to size (go one up for looser fit). Machine wash.
Core Mid Rise Brief Wine Burgundy
$28
100% cotton mid-rise brief, comfortable everyday staple
Men's mid-rise cotton brief with classic coverage and a sculpted 2-ply contour pouch. Sits at the natural waist with covered elastic leg openings. True to size (go one up for looser fit). Machine wash.
Core Mid Rise Trunk Grey Heather
$12$30
100% cotton mid-rise trunk with 3" inseam, waist-sitting fit
Men's mid-rise cotton trunk with compact 3" inseam and sculpted 2-ply contour pouch for supportive shape. Covered elastic leg openings sit flat at the upper thigh. True to size (go one up for looser fit). Machine wash.
Core Mid Rise Trunk Turmeric Orange
$21$30
Mid-rise cotton trunk, sits at your waist.
Men's mid-rise cotton trunk with 3 inch inseam for balanced coverage at the natural waist. Features sculpted 2-ply contour pouch and flat-sitting leg openings. True to size, or go up one for a looser fit.
Core Runner Boxer Black
$19.50$30
Runner-inspired boxer, loose and breathable.
Semi-fitted mid-rise cotton boxer with 3 inch inseam and signature side insets for a cleaner line. Functional button fly and runner-style openings that move air freely. Machine washable. True to size, or go up one for looser fit.
Core Runner Boxer Geir Green
$8$30
Runner boxer in soft cotton, weekend wear.
Semi-fitted mid-rise cotton boxer with 3 inch inseam and signature side insets for a cleaner leg line. Functional button fly. Runner-inspired openings let air move without clinging to the thigh. True to size, or go up one for looser fit.
Core Runner Boxer Grey Heather
$19.50$30
Runner-cut boxer, 100% cotton breathable.
Semi-fitted mid-rise cotton boxer with 3 inch inseam and side insets shaped like runner shorts. Functional button fly. Loose where you need air, with runner-style leg openings that never cling. True to size, or go up one for looser fit.
Core Runner Boxer Lagoon Blue
$21$30
Cotton runner boxer, loose and shaped for movement
Men's cotton runner boxer with a semi-fitted, mid-rise cut that sits at the natural waist. Features runner-style leg openings and a functional button fly. True to size, or size up for a looser fit.
Core Runner Boxer Raj Red
$8$30
Cotton runner boxer, loose and shaped for movement
Men's cotton runner boxer with a semi-fitted, mid-rise cut that sits at the natural waist. Features runner-style leg openings and a functional button fly. True to size, or size up for a looser fit.
Core Runner Boxer Yon Yellow
$8$30
Cotton runner boxer, loose and shaped for movement
Men's cotton runner boxer with a semi-fitted, mid-rise cut that sits at the natural waist. Features runner-style leg openings and a functional button fly. True to size, or size up for a looser fit.
Core Signature Dash Brief Grey Heather
$28
High-leg cotton brief, thigh freedom and sculpted support
Men's low-rise brief with a high-leg cut designed to free the thigh and eliminate chafing. Sculpted 2-ply contour pouch provides fuller support and shape. Covered elastic leg openings stay smooth and won't ride up. True to size, or size up for a looser fit.
Core Signature Jock Black
$26
Cotton jock with sculpted support and open back.
Classic men's jockstrap in soft cotton. Low-rise cut with open back, sculpted 1-ply contour pouch, and 2.4" signature waistband. True to size, or size up for looser fit. Machine wash, imported.
Core Signature Jock White
$26
Cotton jock with sculpted support and open back.
Classic men's jockstrap in soft cotton. Low-rise cut with open back, sculpted 1-ply contour pouch, and 2.4" signature waistband. True to size, or size up for looser fit. Machine wash, imported.
Core Signature Low Rise Boxer Brief Grey Heather
$30
Soft cotton boxer brief, no ride-up mid-thigh.
Men's low-rise cotton boxer brief with 5" inseam for balanced mid-thigh coverage. Center-seam contour pouch, covered elastic leg openings prevent bunching. 1.5" waistband with signature logo. True to size, or size up for looser fit. Machine wash, imported.
Core Signature Low Rise Brief Black
$28
Smooth cotton brief, sculpted support, invisible fit.
Men's low-rise cotton brief with clean profile that stays smooth under everything. Sculpted 2-ply contour pouch with center-seam construction for structured support. Covered elastic leg openings, 1.5" waistband with signature logo. True to size, or size up for looser fit. Machine wash, imported.
Core Signature Low Rise Brief White
$28
Soft 100% cotton brief, smooth under everything
Men's low-rise brief in soft 100% cotton with sculpted contour pouch and covered leg openings. Signature C-IN2 waistband. True to size; order one size up for a looser fit. Machine wash.
Core Signature Low Rise Trunk Grey Heather
$30
Cotton trunk with 3" inseam, no bulk under pants
Men's low-rise trunk in soft 100% cotton with a 3" inseam for a streamlined fit. Sculpted contour pouch and covered leg openings. True to size; order one size up for looser fit. Machine wash.
Core Signature Mid Rise Brief Black
$28
Classic mid-rise brief in 100% cotton, full coverage
Men's mid-rise brief in soft 100% cotton with full coverage and a secure fit at the natural waist. Sculpted contour pouch and covered leg openings. True to size; order one size up for looser fit. Machine wash.
Core Signature Mid Rise Brief White
$28
Classic mid-rise brief in 100% cotton, full coverage
Men's mid-rise brief in soft 100% cotton with full coverage and a secure fit at the natural waist. Sculpted contour pouch and covered leg openings. True to size; order one size up for looser fit. Machine wash.
Core Signature Runner Boxer Grey Heather
$30
Cotton runner boxer with signature side insets
Men's cotton runner boxer with 3" inseam, button fly, and runner-style leg openings. Loose where you want air but shaped to avoid a boxy look. Machine wash. True to size, or size up for looser fit.
Core Signature Sport Brief Black
$28
High-cut sport brief in 100% breathable cotton
Low-rise cotton sport brief with high-cut legs for full thigh freedom and clean profile. 2-ply contour pouch with center-seam construction. Machine wash. True to size, or size up for looser fit.
Core Signature Sport Brief White
$28
High-cut sport brief in 100% breathable cotton
Low-rise cotton sport brief with high-cut legs for full thigh freedom and clean profile. 2-ply contour pouch with center-seam construction. Machine wash. True to size, or size up for looser fit.
Core Signature Y-Back Thong Grey Heather
$26
Y-back thong in 100% cotton, zero visible lines
Low-rise cotton Y-back thong with minimal coverage and sculpted 1-ply contour pouch. Clean elastic binding sits flat, nothing shows under anything. Machine wash. True to size, or size up for looser fit.
Core Sport Brief Black
$18.20$28
High-cut cotton sport brief for full freedom
Low-rise sport brief in 100% cotton with high-cut leg openings and sculpted 2-ply contour pouch. Built for mobility and comfort. True to size, or size up for a looser fit. Machine wash.
Core Sport Brief Padget Pink
$8.40$28
Pink sport brief, high-cut legs and contour pouch
Low-rise sport brief in 100% cotton with high-cut leg openings and sculpted 2-ply contour pouch for support and comfort. Sits below the natural waist. True to size, or size up for a looser fit. Machine wash.
Core Sport Brief Raj Red
$8$28
Red sport brief, high-cut leg openings and support
Low-rise sport brief in 100% cotton with high-cut leg openings and 2-ply contour pouch construction. Sits below the natural waist for a clean profile. True to size, or size up for a looser fit. Machine wash.
Core Sport Brief Yon Yellow
$8$28
Yellow sport brief, high-cut cotton construction
Low-rise sport brief in 100% cotton with high-cut leg openings and sculpted 2-ply contour pouch. Built for comfort and support through workouts and beyond. True to size, or size up for a looser fit. Machine wash.
Core Y-Back Thong Grey Heather
$19.50$26
100% cotton Y-back thong, sculpted pouch, no visible lines
Low-rise Y-back thong with center-seam contour pouch for gentle support. Clean elastic binding won't dig. True to size, or size up for looser fit. Machine wash.
Dip Dye Jock Breeze Blue
$24$32
Cotton jock with color gradient that shifts from every angle
Low-rise jock with 1-ply contour pouch and elastic leg straps. Dip-dye pattern blends two colors down the middle for a different look side to side. Machine wash cold with like colors.
Dip Dye Jock Lilac Green
$24$32
Cotton jock with color gradient that shifts from every angle
Low-rise jock with 1-ply contour pouch and elastic leg straps. Dip-dye pattern blends two colors down the middle for a different look side to side. Machine wash cold with like colors.
Dip Dye Jock Sandstone Beige
$24$32
Cotton jock with color gradient that shifts from every angle
Low-rise jock with 1-ply contour pouch and elastic leg straps. Dip-dye pattern blends two colors down the middle for a different look side to side. Machine wash cold with like colors.
Dip Dye Low Rise Brief Breeze Blue
$27$36
Low-rise cotton brief with color-shifting dip dye
Men's low-rise brief in gradient color. Sits below the waist with full front and rear coverage in a close fit. Contour pouch provides natural lift. Machine wash cold with like colors. Check your usual brief size before ordering.
Dip Dye Low Rise Brief Lilac Green
$27$36
Low-rise cotton brief with color-shifting dip dye
Men's low-rise brief in gradient color. Sits below the waist with full front and rear coverage in a close fit. Contour pouch provides natural lift. Machine wash cold with like colors. Check your usual brief size before ordering.
Dip Dye Low Rise Brief Sandstone Beige
$27$36
Low-rise cotton brief with color-shifting dip dye
Men's low-rise brief in gradient color. Sits below the waist with full front and rear coverage in a close fit. Contour pouch provides natural lift. Machine wash cold with like colors. Check your usual brief size before ordering.
Dip Dye Mid Rise Brief Breeze Blue
$27$36
Mid-rise cotton brief with color-shifting dip dye
Men's mid-rise brief in gradient color with ample seat coverage. Sits at the waist with full front and rear protection. Contour pouch provides natural lift and sculpted shape. Machine wash cold with like colors. Check your usual brief size before ordering.
Dip Dye Relaxed Tank Breeze Blue
$33.75$45
Two-tone cotton tank with seasonal color gradient
Men's relaxed-fit cotton tank in two-tone color that blends top to bottom. Lightweight and breathable for warm days. Check the color gradient on your screen, as dip-dye patterns vary by piece. Machine wash cold with like colors.
Dip Dye Relaxed Tank Peony Pink
$33.75$45
Two-tone cotton tank with seasonal color gradient
Men's relaxed-fit cotton tank in two-tone color that blends top to bottom. Lightweight and breathable for warm days. Check the color gradient on your screen, as dip-dye patterns vary by piece. Machine wash cold with like colors.
Dip Dye Relaxed Tank Storm Blue
$33.75$45
Two-tone cotton tank with seasonal color gradient
Men's relaxed-fit cotton tank in two-tone color that blends top to bottom. Lightweight and breathable for warm days. Check the color gradient on your screen, as dip-dye patterns vary by piece. Machine wash cold with like colors.
Dip Dye Trunk Goldfish Orange
$28.50$38
Square-cut trunk with 4-way stretch and dip-dye color
Men's mid-rise trunk with square-cut leg and full rear coverage. Four-way stretch moves with you and holds its shape. Logo waistband stays put. Verify your size before ordering, as mid-rise fit varies. Machine wash cold with like colors.
Dip Dye Trunk Peony Pink
$28.50$38
Color-shift trunk with 4-way stretch cotton.
Mid-rise square-cut trunk with full rear coverage in a color-gradient dip-dye design. Soft cotton with 4-way stretch, contour pouch for support, and logo waistband. Machine wash cold. Check your usual size for fit.
Dip Dye Trunk Storm Blue
$28.50$38
Storm-blue trunk with shifting color gradient.
Mid-rise square-cut trunk with full rear coverage in storm-blue dip-dye. Soft cotton-elastane blend with 4-way stretch, 1-ply contour pouch for support, and logo waistband. Machine wash cold. Check sizing for fit preference.
Flex Boxer Brief 5" Inseam Sage Green
$22.10$34
Lightweight mesh boxer brief in sage green.
Mid-rise mesh boxer brief with 5-inch inseam in sage green. Cotton-modal blend with 4-way stretch keeps air moving against skin. Functional fly, 2-ply contour pouch, flat microfiber leg bands prevent digging. Machine wash. Run true to size.
Flex Boxer Brief 7" Inseam Black
$22.10$34
Extended mesh boxer brief, 7-inch inseam.
Mid-rise mesh boxer brief with 7-inch inseam for extended thigh coverage. Cotton-modal mesh with 4-way stretch stays cool and light under pants. Functional fly, 2-ply contour pouch, microfiber leg bands. Machine wash. True to size, size up for looser fit.
Flex Fly Front Brief Sage Green
$20.80$32
Breathable cotton-modal mesh brief, true to size
Classic mid-rise brief in soft cotton-modal mesh with a functional fly and contour pouch. Smooth microfiber leg bands sit flat with no ride-up. True to size, or go one size up for looser fit.
Flex Jock Black
$19.50$30
Maximum airflow jockstrap with sculpted support
Low-rise jock with airy cotton-modal mesh front and open back. 2-ply contour pouch lifts and supports. Elastic leg straps keep the fit in place through movement. True to size.
Flex Jock Sapphire Blue
$10.50$30
Airy mesh jock, sculpted support, open back
Low-rise jock with breathable cotton-modal mesh and open back. Sculpted 2-ply pouch lifts and supports. Elastic leg straps stay in place during activity. True to size, go one up for looser fit.
Flex Low Rise Brief Pebble Grey
$20.80$32
Barely there low rise brief in airy mesh
Low-slung brief in soft cotton-modal mesh that weighs almost nothing. The 4-way stretch fabric keeps air moving while the 2-ply contour pouch offers sculpted support. Smooth microfiber leg bands sit flat with no ride-up. Check the fit note: runs true to size, size up if you want more room.
C-IN2 specializes in men's underwear built around fit and movement, with six core product types: jocks, briefs (low rise, mid rise, dash cut), thongs, and sport briefs. The range splits across 20+ collections from Core basics to Swim styles. Most items sit between $25 and $32 regular price, though 71 of the 100 products we sampled are on sale right now, bringing many pieces down to $8-$10. Before ordering, check the collection name and fit style that appeals to you, each line has its own cut and coverage.
Sale prices hit deepest on the Active and C-Theory ranges. Active Jock Nolan Navy runs $9 (regular $30), and the C-Theory Dash Brief line drops to $8.40 each (regular $28), so these are worth grabbing while marked down. Always order unworn items in original tags if you think you might return them, C-IN2 refunds within 30 days only if garments are unlaundered and in original packaging, then allows 14 days for processing. Read the care label for each collection to confirm whether it suits your washing routine, since materials vary by line.
When you're building a basics drawer, stack DPSAVE (15% OFF Your Entire Order) with the existing sales for the strongest savings. The discount multiplies on already-reduced items, so a multi-pack or a haul of Active or C-Theory pieces gains the most ground. If you're also shopping for everyday essentials elsewhere, our BLK FLG discount code covers similar ground for a different brand aesthetic. Follow FTC tips on online shopping to protect your payment info, and remember that underwear choice is personal, return policies exist for a reason, so test one style first if you're new to the brand.
Within 30 days of delivery, unworn garments in original packaging and unlaundered with original tags qualify for refund to original payment or store credit; allow 14 days for processing.
Check C-IN2's policy pages before you order to confirm all details match your needs. See the official shipping policy and return policy.
Get 15% OFF Your Entire Order. We tested our verified code at checkout on Oct 15, 2026. The code itself is in the code box on this page.
We could not confirm a separate first-order offer in C-IN2's policy details. The verified code on this page (15% OFF Your Entire Order) works on your first order and every order after.
Reveal our verified code in the code box on this page, copy it, add items to your cart, and paste it at checkout. The discount applies to your order total before you confirm payment.
We could not confirm exclusions in C-IN2's terms. Checkout will show you the final price with the discount applied, so you'll see exactly what you pay on any item, whether it's regular price or already on sale.
Within 30 days of delivery, unworn garments in original packaging and unlaundered with original tags can be refunded to your original payment method or received as store credit. Allow 14 days for processing.
Yes. We applied our verified code at a real C-IN2 checkout on Oct 15, 2026 and confirmed the 15% discount was applied to the order total.
