Men’s Underwear by C-IN2 | Briefs, Boxers, Jocks & More – C-IN2 New York

Cart 0

No more products available for purchase

Products

International orders are final sale. For orders that are shipping to destinations outside of the United States (including Canada), you may have to pay duties and taxes to your country's government.

Your Cart is Empty

Layers Classic Ribbed Fitted Tank White

Layers Classic Ribbed Fitted Tank White

Color: WHITE

$32.00 USD

Hand Me Down Crew Neck T-Shirt Smoke Heather

Hand Me Down Crew Neck T-Shirt Smoke Heather

Color: SMOKE HEATHER

$40.50 USD $45.00 USD

RO3 High Twist Summer Crew Neck T-Shirt Black

RO3 High Twist Summer Crew Neck T-Shirt Black

Color: BLACK

$12.00 USD $40.00 USD

Layers Slim Crew Neck T-Shirt Black

Layers Slim Crew Neck T-Shirt Black

Color: BLACK

$36.00 USD $40.00 USD

Layers Slim Crew Neck T-Shirt White

Layers Slim Crew Neck T-Shirt White

Color: WHITE

$36.00 USD $40.00 USD

New Undertone Drops

Fresh for Fall

Sunset Orange, Poppy Red, Blueberry Pink, Sage Green. Undertone gets an upgrade with an ink smudge print.

Shop Undertone

Wear It Your Way

This isn’t just underwear. It’s fashion.

C-IN2—pronounced “see-into”—designs men’s underwear with intention: sharp fits, expressive silhouettes, and the freedom to dress for your mood. Classic or daring, subtle or bold, everything is made to feel good and look even better.

NEW ARRIVALS

THROWBACK

SWIM

DIP DYE

undertone

Rough Knit Sport Brief Sardinia Tan

ROUGH KNIT

Mid Weight Cropped Fitted T-Shirt Black

MID WEIGHT

Super Bright Jock Neon Yellow

SUPER BRIGHT

Flex Low Rise Brief Sage Green

FLEX

Multipack Premium Stretch 3-Pack Mid Rise Brief White

PREMIUM STRETCH

Pick your fit for the moment

Core Mid Rise Brief Black

Zen Thong White

Core Jock Heather Grey

Flex Boxer Brief Black

BOXER BRIEFS ²²

Screenshot Trunk Crocodile Blue

Layers Classic Ribbed Tank White

Hand Me Down Runner Boxer Smoke Heather

Core Crew Socks White

Built for Daily Wear. Loved on Repeat.

From go-to basics to best-selling icons, these are the styles that keep showing up in carts—and drawers. Comfort, fit, and performance, perfected.

Minimal Low Rise Brief

234 products

View products

Core Low Rise Brief Grey Heather

Core Low Rise Brief Grey Heather

Core Low Rise Brief Grey Heather

Core Low Rise Brief Grey Heather

Core Low Rise Brief Grey Heather

Core Low Rise Brief Grey Heather

Core Low Rise Brief Grey Heather

Sale

Core Low Rise Brief Grey Heather

Rated 4.8 out of 5 stars

$25.20 USD $28.00 USD

Undertone Low Rise Brief Sunset Orange

Undertone Low Rise Brief Sunset Orange

Undertone Low Rise Brief Sunset Orange

New Season

Undertone Low Rise Brief Sunset Orange

Rated 4.7 out of 5 stars

Undertone Low Rise Brief Poppy Red

Undertone Low Rise Brief Poppy Red

Undertone Low Rise Brief Poppy Red

New Season

Undertone Low Rise Brief Poppy Red

Rated 4.7 out of 5 stars

Undertone Low Rise Brief Blueberry Pink

Undertone Low Rise Brief Blueberry Pink

Undertone Low Rise Brief Blueberry Pink

New Season

Undertone Low Rise Brief Blueberry Pink

Rated 4.7 out of 5 stars

Undertone Low Rise Brief Sage Green

Undertone Low Rise Brief Sage Green

Undertone Low Rise Brief Sage Green

New Season

Undertone Low Rise Brief Sage Green

Rated 4.7 out of 5 stars

Undertone Dash Brief Blueberry Pink

Undertone Dash Brief Blueberry Pink

Undertone Dash Brief Blueberry Pink

New Season

Undertone Dash Brief Blueberry Pink

Rated 4.7 out of 5 stars

Undertone Dash Brief Sunset Orange

Undertone Dash Brief Sunset Orange

Undertone Dash Brief Sunset Orange

New Season

Undertone Dash Brief Sunset Orange

Rated 4.7 out of 5 stars

Core Low Rise Brief Black

Core Low Rise Brief Black

Core Low Rise Brief Black

Core Low Rise Brief Black

Core Low Rise Brief Black

Core Low Rise Brief Black

Core Low Rise Brief Black

Core Low Rise Brief Black

Rated 4.8 out of 5 stars

Prime Low Rise Brief Pelton Pink

Prime Low Rise Brief Pelton Pink

Prime Low Rise Brief Pelton Pink

Prime Low Rise Brief Pelton Pink - C - IN2 New York

Prime Low Rise Brief Pelton Pink - C - IN2 New York

Prime Low Rise Brief Pelton Pink - C - IN2 New York

Clearance | Final Sale

Prime Low Rise Brief Pelton Pink

Rated 4.6 out of 5 stars

$7.80 USD $26.00 USD

Core Low Rise Brief Heather Grey

75 products

View products

Undertone Low Rise Brief Blueberry Pink

Undertone Low Rise Brief Blueberry Pink

Undertone Low Rise Brief Blueberry Pink

New Season

Undertone Low Rise Brief Blueberry Pink

Rated 4.7 out of 5 stars

Swim Brief Navy White Horizontal Stripes

Swim Brief Navy White Horizontal Stripes

Swim Brief Navy White Horizontal Stripes

New Season

Swim Brief Navy White Horizontal Stripes

Rated 4.7 out of 5 stars

Swim Brief Acqua Yellow

Swim Brief Acqua Yellow

Swim Brief Acqua Yellow

New Season

Swim Brief Acqua Yellow

Rated 4.7 out of 5 stars

Swim Brief Super Bright Halftone Neon Red

Swim Brief Super Bright Halftone Neon Red

Swim Brief Super Bright Halftone Neon Red

New Season

Swim Brief Super Bright Halftone Neon Red

Rated 4.7 out of 5 stars

Undertone Dash Brief Sage Green

Undertone Dash Brief Sage Green

Undertone Dash Brief Sage Green

New Season

Undertone Dash Brief Sage Green

Rated 4.7 out of 5 stars

Swim Shorts Solid Navy

Swim Shorts Solid Navy

Swim Shorts Solid Navy

New Season

Swim Shorts Solid Navy

Rated 4.3 out of 5 stars

Multipack Premium Stretch 3-Pack Trunk White

Multipack Premium Stretch 3-Pack Trunk White

Multipack Premium Stretch 3-Pack Trunk White

New Collection

Multipack Premium Stretch 3-Pack Trunk White

Rated 4.8 out of 5 stars

New Core Ankle Socks 3 Pack White

New Core Ankle Socks 3 Pack White

New Core Ankle Socks 3 Pack White

New Core Ankle Socks 3 Pack White

New Core Ankle Socks 3 Pack White

New Core Ankle Socks 3 Pack White

Sale

New Core Ankle Socks 3 Pack White

Rated 4.7 out of 5 stars

$12.00 USD $24.00 USD

Core Runner Boxer White

Core Runner Boxer White

Core Runner Boxer White

Core Runner Boxer White

Core Runner Boxer White

Core Runner Boxer White

Core Runner Boxer White

Core Runner Boxer White

Rated 4.8 out of 5 stars

Flex Trunk

64 products

View products

Core Mid Rise Boxer Brief Lagoon Blue

Core Mid Rise Boxer Brief Lagoon Blue

Core Mid Rise Boxer Brief Lagoon Blue

Core Mid Rise Boxer Brief Lagoon Blue

Core Mid Rise Boxer Brief Lagoon Blue

Core Mid Rise Boxer Brief Lagoon Blue

Core Mid Rise Boxer Brief Lagoon Blue

Sale

Core Mid Rise Boxer Brief Lagoon Blue

Rated 4.3 out of 5 stars

$27.00 USD $30.00 USD

Core Runner Boxer Black

Core Runner Boxer Black

Core Runner Boxer Black

Core Runner Boxer Black

Core Runner Boxer Black

Core Runner Boxer Black

Core Runner Boxer Black

Sale

Core Runner Boxer Black

Rated 4.8 out of 5 stars

$27.00 USD $30.00 USD

Flex Low Rise Brief Pebble Grey

Flex Low Rise Brief Pebble Grey

Flex Low Rise Brief Pebble Grey

Flex Low Rise Brief Pebble Grey - C - IN2 New York

Flex Low Rise Brief Pebble Grey - C - IN2 New York

Flex Low Rise Brief Pebble Grey - C - IN2 New York

Flex Low Rise Brief Pebble Grey

Rated 4.1 out of 5 stars

Core Crew Socks 3 Pack White

Core Crew Socks 3 Pack White

Core Crew Socks 3 Pack White

Core Crew Socks 3 Pack White

Core Crew Socks 3 Pack White

Core Crew Socks 3 Pack White

Core Crew Socks 3 Pack White

Sale

Core Crew Socks 3 Pack White

Rated 4.9 out of 5 stars

$12.00 USD $28.00 USD

Core Mid Rise Brief Black

Core Mid Rise Brief Black

Core Mid Rise Brief Black

Core Mid Rise Brief Black

Core Mid Rise Brief Black

Core Mid Rise Brief Black

Core Mid Rise Brief Black

Core Mid Rise Brief Black

Rated 4.7 out of 5 stars

Layers Slim Deep V-Neck T-Shirt White

Layers Slim Deep V-Neck T-Shirt White

Layers Slim Deep V-Neck T-Shirt White

Layers Slim Deep V - Neck T-Shirt White - C - IN2 New York

Layers Slim Deep V - Neck T-Shirt White - C - IN2 New York

Layers Slim Deep V-Neck T-Shirt White

Rated 4.2 out of 5 stars

Flex Fly Front Brief Black

Flex Fly Front Brief Black

Flex Fly Front Brief Black

New Season

Flex Fly Front Brief Black

Rated 4.6 out of 5 stars

Core Low Rise Brief Black

Core Low Rise Brief Black

Core Low Rise Brief Black

Core Low Rise Brief Black

Core Low Rise Brief Black

Core Low Rise Brief Black

Core Low Rise Brief Black

Core Low Rise Brief Black

Rated 4.8 out of 5 stars

Core Low Rise Brief Lagoon Blue

Core Low Rise Brief Lagoon Blue

Core Low Rise Brief Lagoon Blue

Core Low Rise Brief Lagoon Blue

Core Low Rise Brief Lagoon Blue

Core Low Rise Brief Lagoon Blue

Core Low Rise Brief Lagoon Blue

Core Low Rise Brief Lagoon Blue

Rated 4.8 out of 5 stars

Core Jock

233 products

View products

Scrimmage Dash Brief Rafa Red

Scrimmage Dash Brief Rafa Red

Scrimmage Dash Brief Rafa Red

Scrimmage Dash Brief Rafa Red - C - IN2 New York

Scrimmage Dash Brief Rafa Red - C - IN2 New York

Scrimmage Dash Brief Rafa Red - C - IN2 New York

Scrimmage Dash Brief Rafa Red - C - IN2 New York

Clearance | Final Sale

Scrimmage Dash Brief Rafa Red

Rated 4.7 out of 5 stars

$9.00 USD $30.00 USD

Scrimmage Fly Front Trunk Rafa Red

Scrimmage Fly Front Trunk Rafa Red

Scrimmage Fly Front Trunk Rafa Red

Scrimmage Fly Front Trunk Rafa Red - C - IN2 New York

Scrimmage Fly Front Trunk Rafa Red - C - IN2 New York

Scrimmage Fly Front Trunk Rafa Red - C - IN2 New York

Scrimmage Fly Front Trunk Rafa Red - C - IN2 New York

Clearance | Final Sale

Scrimmage Fly Front Trunk Rafa Red

Rated 4.6 out of 5 stars

$10.20 USD $34.00 USD

Scrimmage Low Rise Brief Perris Pink

Scrimmage Low Rise Brief Perris Pink

Scrimmage Low Rise Brief Perris Pink

Scrimmage Low Rise Brief Perris Pink - C - IN2 New York

Scrimmage Low Rise Brief Perris Pink - C - IN2 New York

Scrimmage Low Rise Brief Perris Pink - C - IN2 New York

Scrimmage Low Rise Brief Perris Pink - C - IN2 New York

Clearance | Final Sale

Scrimmage Low Rise Brief Perris Pink

Rated 4.8 out of 5 stars

$9.00 USD $30.00 USD

Scrimmage Hustle Brief Pruitt Purple

Scrimmage Hustle Brief Pruitt Purple

Scrimmage Hustle Brief Pruitt Purple

Scrimmage Hustle Brief Pruitt Purple - C - IN2 New York

Scrimmage Hustle Brief Pruitt Purple - C - IN2 New York

Scrimmage Hustle Brief Pruitt Purple - C - IN2 New York

Clearance | Final Sale

Scrimmage Hustle Brief Pruitt Purple

Rated 4.3 out of 5 stars

$9.00 USD $30.00 USD

H+A+R+D Sport Brief Baran Blue

H+A+R+D Sport Brief Baran Blue

H+A+R+D Sport Brief Baran Blue

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

Clearance | Final Sale

H+A+R+D Sport Brief Baran Blue

Rated 4.3 out of 5 stars

$9.00 USD $30.00 USD

Core Y-Back Thong Black

Core Y-Back Thong Black

Core Y-Back Thong Black

Core Y-Back Thong Black

Core Y-Back Thong Black

Core Y-Back Thong Black

Core Y-Back Thong Black

Core Y-Back Thong Black

Rated 4.8 out of 5 stars

H+A+R+D Low Rise Brief Boaz Blue

H+A+R+D Low Rise Brief Boaz Blue

H+A+R+D Low Rise Brief Boaz Blue

H+A+R+D Low Rise Brief Boaz Blue - C - IN2 New York

H+A+R+D Low Rise Brief Boaz Blue - C - IN2 New York

H+A+R+D Low Rise Brief Boaz Blue - C - IN2 New York

H+A+R+D Low Rise Brief Boaz Blue - C - IN2 New York

Clearance | Final Sale

H+A+R+D Low Rise Brief Boaz Blue

Rated 4.7 out of 5 stars

$9.00 USD $30.00 USD

Scrimmage Hustle Brief Brinley Blue

Scrimmage Hustle Brief Brinley Blue

Scrimmage Hustle Brief Brinley Blue

Scrimmage Hustle Brief Brinley Blue - C - IN2 New York

Scrimmage Hustle Brief Brinley Blue - C - IN2 New York

Scrimmage Hustle Brief Brinley Blue - C - IN2 New York

Clearance | Final Sale

Scrimmage Hustle Brief Brinley Blue

Rated 4.3 out of 5 stars

$9.00 USD $30.00 USD

H+A+R+D Sport Brief Garth Green

H+A+R+D Sport Brief Garth Green

H+A+R+D Sport Brief Garth Green

H+A+R+D Sport Brief Garth Green - C - IN2 New York

H+A+R+D Sport Brief Garth Green - C - IN2 New York

H+A+R+D Sport Brief Garth Green - C - IN2 New York

H+A+R+D Sport Brief Garth Green - C - IN2 New York

Clearance | Final Sale

H+A+R+D Sport Brief Garth Green

Rated 4.3 out of 5 stars

$9.00 USD $30.00 USD

Premium Basics, Engineered for Every Body

C-IN2 is a New York–born men’s underwear and apparel brand with one mission: to make every man look good and feel confident. We design premium basics and fashion-forward styles with innovative fabrics, engineered fits, and durable construction that lasts. Working closely with our partners, we create unique materials and refine every detail—from the cut of a t-shirt to the fit of a brief—to deliver comfort and style you can feel every day. Inclusive, empowering, and unapologetically bold—C-IN2 is made for every body.