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Perfect Pima Relaxed Crew Neck T-Shirt White - C - IN2 New York

Perfect Pima Relaxed Crew Neck T-Shirt White

Color: WHITE

$28.80 USD $36.00 USD
Layers Classic Ribbed Fitted Tank White - C - IN2 New York

Layers Classic Ribbed Fitted Tank White

Color: WHITE

$32.00 USD

Hand Me Down Crew Neck T-Shirt Smoke Heather - C - IN2 New York

Hand Me Down Crew Neck T-Shirt Smoke Heather

Color: SMOKE HEATHER

$36.00 USD $45.00 USD
High Twist Summer Crew Neck T-Shirt Black - C - IN2 New York

High Twist Summer Crew Neck T-Shirt Black

Color: BLACK

$20.00 USD $40.00 USD
Layers Slim Crew Neck T-Shirt Black - C - IN2 New York

Layers Slim Crew Neck T-Shirt Black

Color: BLACK

$40.00 USD

Layers Slim Crew Neck T-Shirt White - C - IN2 New York

Layers Slim Crew Neck T-Shirt White

Color: WHITE

$40.00 USD

Welcome to C-IN2

Underwear that fits better, feels better, and shows off your best self.

Explore Our Best Sellers

C-IN2 Best Sellers

Our most-loved styles, trusted for comfort, performance, and style. From everyday staples to bold standouts, these best sellers speak for themselves.

Shop Our Best Sellers
100% Pima Cotton T-Shirts with a Fit That Flatters 22
Boxer Briefs Built for Everyday Comfort 19
Tanks That Hug Just Right 18
Briefs with a Sculpted Contour Pouch 38

Not your basic basics—C-IN2 blends bold design, premium fabric, and smart fit.

Why C-IN2?

╰► Fit That Moves With You – Contoured pouches, smart seams, sculpted cuts


╰► Premium Everyday Fabrics – Pima cotton, breathable mesh, bamboo blends


╰► Designed for Comfort + Confidence – Built for workouts, weekends, and whatever's next


╰► Smart Details That Matter – No roll, no ride-up, no twist


╰► 100K+ Customers and Counting – Trusted for quality, comfort, and bold design

Discover C-IN2

Your New Favorites, All in One Place

Discover our best-selling styles and everyday go-to’s—underwear, tees, and tanks built for comfort, confidence, and repeat wear.

  • Best-Sellers
  • Everyday Basics
Scrimmage Low Rise Brief Channing Charcoal - C - IN2 New York
View products
Scrimmage Low Rise Brief Channing Charcoal - C - IN2 New York
Scrimmage Low Rise Brief Channing Charcoal - C - IN2 New York
Scrimmage Low Rise Brief Channing Charcoal - C - IN2 New York
Scrimmage Low Rise Brief Channing Charcoal - C - IN2 New York
Scrimmage Low Rise Brief Channing Charcoal - C - IN2 New York
Scrimmage Low Rise Brief Channing Charcoal - C - IN2 New York

Scrimmage Low Rise Brief Channing Charcoal

$30.00 USD
Scrimmage Low Rise Brief Channing Charcoal - C - IN2 New York
Scrimmage Low Rise Brief Berg Blue - C - IN2 New York
Scrimmage Low Rise Brief Brinley Blue - C - IN2 New York
Scrimmage Low Rise Brief Perris Pink - C - IN2 New York
Scrimmage Low Rise Brief Rafa Red - C - IN2 New York
Scrimmage Low Rise Brief Pruitt Purple - C - IN2 New York
Scrimmage Low Rise Brief Oakley Orange - C - IN2 New York
Core Low Rise Brief White - C - IN2 New York
Core Low Rise Brief White - C - IN2 New York
Core Low Rise Brief White - C - IN2 New York
Core Low Rise Brief White - C - IN2 New York
Core Low Rise Brief White - C - IN2 New York
Core Low Rise Brief White - C - IN2 New York

Core Low Rise Brief White

$27.00 USD
Core Low Rise Brief White - C - IN2 New York
Core Low Rise Brief Black - C - IN2 New York
Core Low Rise Brief Grey Heather - C - IN2 New York
Core Low Rise Brief Baako Blue - C - IN2 New York
Core Low Rise Brief Nelson Navy - C - IN2 New York
Core Low Rise Brief Patrick Purple - C - IN2 New York
Core Low Rise Brief Grayson Green - C - IN2 New York
Core Low Rise Brief Padget Pink - C - IN2 New York
Scrimmage Low Rise Brief Berg Blue - C - IN2 New York
Scrimmage Low Rise Brief Berg Blue - C - IN2 New York
Scrimmage Low Rise Brief Berg Blue - C - IN2 New York
Scrimmage Low Rise Brief Berg Blue - C - IN2 New York
Scrimmage Low Rise Brief Berg Blue - C - IN2 New York
Scrimmage Low Rise Brief Berg Blue - C - IN2 New York

Scrimmage Low Rise Brief Berg Blue

$30.00 USD
Scrimmage Low Rise Brief Channing Charcoal - C - IN2 New York
Scrimmage Low Rise Brief Berg Blue - C - IN2 New York
Scrimmage Low Rise Brief Brinley Blue - C - IN2 New York
Scrimmage Low Rise Brief Perris Pink - C - IN2 New York
Scrimmage Low Rise Brief Rafa Red - C - IN2 New York
Scrimmage Low Rise Brief Pruitt Purple - C - IN2 New York
Scrimmage Low Rise Brief Oakley Orange - C - IN2 New York
Layers Classic Ribbed Fitted Tank White - C - IN2 New York
Layers Classic Ribbed Fitted Tank White - C - IN2 New York
Layers Classic Ribbed Fitted Tank White - C - IN2 New York
Layers Classic Ribbed Fitted Tank White - C - IN2 New York
Layers Classic Ribbed Fitted Tank White - C - IN2 New York
Layers Classic Ribbed Fitted Tank White - C - IN2 New York

Layers Classic Ribbed Fitted Tank White

$32.00 USD
Layers Classic Ribbed Fitted Tank White - C - IN2 New York
Layers Classic Ribbed Fitted Tank Black - C - IN2 New York
Layers Classic Ribbed Fitted Tank Grey Heather - C - IN2 New York
C - Theory Low Rise Brief Timothy Teal - C - IN2 New York
C - Theory Low Rise Brief Timothy Teal - C - IN2 New York
C - Theory Low Rise Brief Timothy Teal - C - IN2 New York
C - Theory Low Rise Brief Timothy Teal - C - IN2 New York
C - Theory Low Rise Brief Timothy Teal - C - IN2 New York
C - Theory Low Rise Brief Timothy Teal - C - IN2 New York

C-Theory Low Rise Brief Timothy Teal

$28.00 USD
C - Theory Low Rise Brief Timothy Teal - C - IN2 New York
C - Theory Low Rise Brief Nasr Navy - C - IN2 New York
C - Theory Low Rise Brief Oscar Orange - C - IN2 New York
C - Theory Low Rise Brief Pryce Purple - C - IN2 New York
C - Theory Low Rise Brief Plato Pink - C - IN2 New York
C - Theory Low Rise Brief Borris Blue - C - IN2 New York
C - Theory Low Rise Brief Ruel Red - C - IN2 New York
C - Theory Low Rise Brief Godfry Green - C - IN2 New York
C - Theory Low Rise Brief Oscar Orange - C - IN2 New York
C - Theory Low Rise Brief Oscar Orange - C - IN2 New York
C - Theory Low Rise Brief Oscar Orange - C - IN2 New York
C - Theory Low Rise Brief Oscar Orange - C - IN2 New York
C - Theory Low Rise Brief Oscar Orange - C - IN2 New York
C - Theory Low Rise Brief Oscar Orange - C - IN2 New York

C-Theory Low Rise Brief Oscar Orange

$28.00 USD
C - Theory Low Rise Brief Timothy Teal - C - IN2 New York
C - Theory Low Rise Brief Nasr Navy - C - IN2 New York
C - Theory Low Rise Brief Oscar Orange - C - IN2 New York
C - Theory Low Rise Brief Pryce Purple - C - IN2 New York
C - Theory Low Rise Brief Plato Pink - C - IN2 New York
C - Theory Low Rise Brief Borris Blue - C - IN2 New York
C - Theory Low Rise Brief Ruel Red - C - IN2 New York
C - Theory Low Rise Brief Godfry Green - C - IN2 New York
C - Theory Low Rise Brief Nasr Navy - C - IN2 New York
C - Theory Low Rise Brief Nasr Navy - C - IN2 New York
C - Theory Low Rise Brief Nasr Navy - C - IN2 New York
C - Theory Low Rise Brief Nasr Navy - C - IN2 New York
C - Theory Low Rise Brief Nasr Navy - C - IN2 New York
C - Theory Low Rise Brief Nasr Navy - C - IN2 New York

C-Theory Low Rise Brief Nasr Navy

$28.00 USD
C - Theory Low Rise Brief Timothy Teal - C - IN2 New York
C - Theory Low Rise Brief Nasr Navy - C - IN2 New York
C - Theory Low Rise Brief Oscar Orange - C - IN2 New York
C - Theory Low Rise Brief Pryce Purple - C - IN2 New York
C - Theory Low Rise Brief Plato Pink - C - IN2 New York
C - Theory Low Rise Brief Borris Blue - C - IN2 New York
C - Theory Low Rise Brief Ruel Red - C - IN2 New York
C - Theory Low Rise Brief Godfry Green - C - IN2 New York
H+A+R+D Sport Brief Baran Blue - C - IN2 New York
H+A+R+D Sport Brief Baran Blue - C - IN2 New York
H+A+R+D Sport Brief Baran Blue - C - IN2 New York
H+A+R+D Sport Brief Baran Blue - C - IN2 New York
H+A+R+D Sport Brief Baran Blue - C - IN2 New York
H+A+R+D Sport Brief Baran Blue - C - IN2 New York

H+A+R+D Sport Brief Baran Blue

$30.00 USD
H+A+R+D Sport Brief Baran Blue - C - IN2 New York
H+A+R+D Sport Brief Garth Green - C - IN2 New York
H+A+R+D Sport Brief Black - C - IN2 New York
H+A+R+D Sport Brief Boaz Blue - C - IN2 New York
H+A+R+D Sport Brief Pascal Pink - C - IN2 New York
H+A+R+D Sport Brief Raddix Red - C - IN2 New York
Core Low Rise Brief Black - C - IN2 New York
Core Low Rise Brief Black - C - IN2 New York
Core Low Rise Brief Black - C - IN2 New York
Core Low Rise Brief Black - C - IN2 New York
Core Low Rise Brief Black - C - IN2 New York
Core Low Rise Brief Black - C - IN2 New York

Core Low Rise Brief Black

$27.00 USD
Core Low Rise Brief White - C - IN2 New York
Core Low Rise Brief Black - C - IN2 New York
Core Low Rise Brief Grey Heather - C - IN2 New York
Core Low Rise Brief Baako Blue - C - IN2 New York
Core Low Rise Brief Nelson Navy - C - IN2 New York
Core Low Rise Brief Patrick Purple - C - IN2 New York
Core Low Rise Brief Grayson Green - C - IN2 New York
Core Low Rise Brief Padget Pink - C - IN2 New York
Scrimmage Thong Bob Black - C - IN2 New York
Scrimmage Thong Bob Black - C - IN2 New York
Scrimmage Thong Bob Black - C - IN2 New York
Scrimmage Thong Bob Black - C - IN2 New York
Scrimmage Thong Bob Black - C - IN2 New York
Scrimmage Thong Bob Black - C - IN2 New York
Scrimmage Thong Bob Black - C - IN2 New York

Scrimmage Thong Bob Black

$28.00 USD
Scrimmage Thong Bob Black - C - IN2 New York
Scrimmage Thong Berg Blue - C - IN2 New York
Scrimmage Thong Channing Charcoal - C - IN2 New York
Scrimmage Thong Oakley Orange - C - IN2 New York
Scrimmage Thong Jay White - C - IN2 New York
Scrimmage Thong Rafa Red - C - IN2 New York
Scrimmage Thong Brinley Blue - C - IN2 New York
Scrimmage Thong Perris Pink - C - IN2 New York
Scrimmage Thong Pruitt Purple - C - IN2 New York
Layers Classic Ribbed Fitted Tank Black - C - IN2 New York
Layers Classic Ribbed Fitted Tank Black - C - IN2 New York
Layers Classic Ribbed Fitted Tank Black - C - IN2 New York
Layers Classic Ribbed Fitted Tank Black - C - IN2 New York
Layers Classic Ribbed Fitted Tank Black - C - IN2 New York
Layers Classic Ribbed Fitted Tank Black - C - IN2 New York

Layers Classic Ribbed Fitted Tank Black

$32.00 USD
Layers Classic Ribbed Fitted Tank White - C - IN2 New York
Layers Classic Ribbed Fitted Tank Black - C - IN2 New York
Layers Classic Ribbed Fitted Tank Grey Heather - C - IN2 New York


View products
Flex Boxer Brief 5" Inseam Black - C - IN2 New York
Flex Boxer Brief 5" Inseam Black - C - IN2 New York
Flex Boxer Brief 5" Inseam Black - C - IN2 New York
Flex Boxer Brief 5" Inseam Black - C - IN2 New York
Flex Boxer Brief 5" Inseam Black - C - IN2 New York
Flex Boxer Brief 5" Inseam Black - C - IN2 New York

Flex Boxer Brief 5" Inseam Black

$36.00 USD
Flex Boxer Brief 5" Inseam Sapphire Blue - C - IN2 New York
Flex Boxer Brief 5" Inseam Pebble Grey - C - IN2 New York
Flex Boxer Brief 5" Inseam Black - C - IN2 New York
Flex Trunk Pebble Grey - C - IN2 New York
Flex Trunk Pebble Grey - C - IN2 New York
Flex Trunk Pebble Grey - C - IN2 New York
Flex Trunk Pebble Grey - C - IN2 New York
Flex Trunk Pebble Grey - C - IN2 New York
Flex Trunk Pebble Grey - C - IN2 New York

Flex Trunk Pebble Grey

$36.00 USD
Flex Trunk Black - C - IN2 New York
Flex Trunk Sapphire Blue - C - IN2 New York
Flex Trunk Pebble Grey - C - IN2 New York
Layers Slim Deep V - Neck T-Shirt Grey Heather - C - IN2 New York
Layers Slim Deep V - Neck T-Shirt Grey Heather - C - IN2 New York
Layers Slim Deep V - Neck T-Shirt Grey Heather - C - IN2 New York
Layers Slim Deep V - Neck T-Shirt Grey Heather - C - IN2 New York
Layers Slim Deep V - Neck T-Shirt Grey Heather - C - IN2 New York

Layers Slim Deep V-Neck T-Shirt Grey Heather

$40.00 USD
Layers Slim Deep V - Neck T-Shirt White - C - IN2 New York
Layers Slim Deep V - Neck T-Shirt Black - C - IN2 New York
Layers Slim Deep V - Neck T-Shirt Grey Heather - C - IN2 New York
Minimal Trunk Bobby Blue - C - IN2 New York
Minimal Trunk Bobby Blue - C - IN2 New York
Minimal Trunk Bobby Blue - C - IN2 New York
Minimal Trunk Bobby Blue - C - IN2 New York
Minimal Trunk Bobby Blue - C - IN2 New York
Minimal Trunk Bobby Blue - C - IN2 New York

Minimal Trunk Bobby Blue

$32.00 USD
Minimal Trunk Barry Blue - C - IN2 New York
Minimal Trunk Boone Brown - C - IN2 New York
Minimal Trunk Bobby Blue - C - IN2 New York
Minimal Trunk Pavle Pink - C - IN2 New York
Minimal Trunk Gad Green - C - IN2 New York
Minimal Trunk Odis Orange - C - IN2 New York
Minimal Low Rise Brief Gad Green - C - IN2 New York
Minimal Low Rise Brief Gad Green - C - IN2 New York
Minimal Low Rise Brief Gad Green - C - IN2 New York
Minimal Low Rise Brief Gad Green - C - IN2 New York
Minimal Low Rise Brief Gad Green - C - IN2 New York
Minimal Low Rise Brief Gad Green - C - IN2 New York

Minimal Low Rise Brief Gad Green

$30.00 USD
Minimal Low Rise Brief Barry Blue - C - IN2 New York
Minimal Low Rise Brief Boone Brown - C - IN2 New York
Minimal Low Rise Brief Pavle Pink - C - IN2 New York
Minimal Low Rise Brief Bobby Blue - C - IN2 New York
Minimal Low Rise Brief Gad Green - C - IN2 New York
Minimal Low Rise Brief Odis Orange - C - IN2 New York
Minimal Low Rise Brief Black - C - IN2 New York
New Core Ankle Socks 3 Pack White - C - IN2 New York
New Core Ankle Socks 3 Pack White - C - IN2 New York
New Core Ankle Socks 3 Pack White - C - IN2 New York
New Core Ankle Socks 3 Pack White - C - IN2 New York
New Core Ankle Socks 3 Pack White - C - IN2 New York
New Core Ankle Socks 3 Pack White - C - IN2 New York

New Core Ankle Socks 3 Pack White

$24.00 USD
New Core Ankle Socks 3 Pack White - C - IN2 New York
New Core Ankle Socks 3 Pack Black - C - IN2 New York
Flex Boxer Brief 7" Inseam Pebble Grey - C - IN2 New York
Flex Boxer Brief 7" Inseam Pebble Grey - C - IN2 New York
Flex Boxer Brief 7" Inseam Pebble Grey - C - IN2 New York
Flex Boxer Brief 7" Inseam Pebble Grey - C - IN2 New York
Flex Boxer Brief 7" Inseam Pebble Grey - C - IN2 New York
Flex Boxer Brief 7" Inseam Pebble Grey - C - IN2 New York

Flex Boxer Brief 7" Inseam Pebble Grey

$36.00 USD
Flex Boxer Brief 7" Inseam Black - C - IN2 New York
Flex Boxer Brief 7" Inseam Sapphire Blue - C - IN2 New York
Flex Boxer Brief 7" Inseam Pebble Grey - C - IN2 New York
Flex Low Rise Brief Black - C - IN2 New York
Flex Low Rise Brief Black - C - IN2 New York
Flex Low Rise Brief Black - C - IN2 New York
Flex Low Rise Brief Black - C - IN2 New York
Flex Low Rise Brief Black - C - IN2 New York
Flex Low Rise Brief Black - C - IN2 New York

Flex Low Rise Brief Black

$34.00 USD
Flex Low Rise Brief Sapphire Blue - C - IN2 New York
Flex Low Rise Brief Pebble Grey - C - IN2 New York
Flex Low Rise Brief Black - C - IN2 New York
Core Low Rise Boxer Brief Grey Heather - C - IN2 New York
Core Low Rise Boxer Brief Grey Heather - C - IN2 New York
Core Low Rise Boxer Brief Grey Heather - C - IN2 New York
Core Low Rise Boxer Brief Grey Heather - C - IN2 New York
Core Low Rise Boxer Brief Grey Heather - C - IN2 New York
Core Low Rise Boxer Brief Grey Heather - C - IN2 New York
Sale

Core Low Rise Boxer Brief Grey Heather

$24.00 USD $30.00 USD
Core Low Rise Boxer Brief Black - C - IN2 New York
Core Low Rise Boxer Brief Grayson Green - C - IN2 New York
Core Low Rise Boxer Brief Grey Heather - C - IN2 New York
Core Low Rise Boxer Brief Nelson Navy - C - IN2 New York
Core Low Rise Boxer Brief Patrick Purple - C - IN2 New York
Core Low Rise Boxer Brief White - C - IN2 New York
Perfect Pima Relaxed Polo Niles Navy - C - IN2 New York
Perfect Pima Relaxed Polo Niles Navy - C - IN2 New York
Perfect Pima Relaxed Polo Niles Navy - C - IN2 New York
Perfect Pima Relaxed Polo Niles Navy - C - IN2 New York
Perfect Pima Relaxed Polo Niles Navy - C - IN2 New York

Perfect Pima Relaxed Polo Niles Navy

$40.00 USD
Perfect Pima Relaxed Polo Niles Navy - C - IN2 New York
Perfect Pima Relaxed Polo Gladwin Green - C - IN2 New York
Perfect Pima Relaxed Polo Blythe Blue - C - IN2 New York
Perfect Pima Relaxed Polo Pino Pink - C - IN2 New York
Perfect Pima Relaxed Polo Rylee Red - C - IN2 New York
Perfect Pima Relaxed Crew Neck T-Shirt Black - C - IN2 New York
Perfect Pima Relaxed Crew Neck T-Shirt Black - C - IN2 New York
Perfect Pima Relaxed Crew Neck T-Shirt Black - C - IN2 New York
Perfect Pima Relaxed Crew Neck T-Shirt Black - C - IN2 New York
Perfect Pima Relaxed Crew Neck T-Shirt Black - C - IN2 New York
Sale

Perfect Pima Relaxed Crew Neck T-Shirt Black

$28.80 USD $36.00 USD
Perfect Pima Relaxed Crew Neck T-Shirt White - C - IN2 New York
Perfect Pima Relaxed Crew Neck T-Shirt Black - C - IN2 New York
Perfect Pima Relaxed Crew Neck T-Shirt Niles Navy - C - IN2 New York
Perfect Pima Relaxed Crew Neck T-Shirt Gladwin Green - C - IN2 New York
Perfect Pima Relaxed Crew Neck T-Shirt Blythe Blue - C - IN2 New York
Perfect Pima Relaxed Crew Neck T-Shirt Pino Pink - C - IN2 New York
Perfect Pima Relaxed Crew Neck T-Shirt Rylee Red - C - IN2 New York

Engineered for movement. Built to last.

For nearly two decades, C-IN2 has redefined men’s underwear with premium materials, sculpted fits, and bold design. With over 100,000 customers and counting, our products deliver confidence from the inside out.

Ergonomic Contour Pouch

╰► Sculpted Lift – Natural shape and definition

╰► Locked-In Support – No shifting, no sagging

╰► Flexible Fit – Moves with you, always

╰► All-Day Comfort – For work, workouts, or rest

SHOP ACTIVE

Innovative Fabric Blends

╰► Designed for movement, made to be seen

╰► Fashion-forward with performance-grade functionality

╰► Precision blends that hold shape, color, and confidence

╰► Comfort that doesn’t compromise on style

SHOP FLEX

Everyday Durability

╰► Keeps its shape, wash after wash

╰► No sag, no bag, no fade

╰► Consistent support that doesn’t quit

╰► Quality construction made to outlast trends

shop core

Everyday Essentials

Comfort meets quality. These are your daily go-to’s—built to move, breathe, and feel amazing under anything.

Sexy Styles

Minimal coverage, max impact. These are the cuts turning heads—from bold jocks to sleek thongs.

Discover Your Style

Fit, function, and personality. From our best-sellers to boldest cuts, here’s where to start.