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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

$12.60 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

Hand Me Down Crew Neck T-Shirt Smoke Heather

Color: SMOKE HEATHER

$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

Layers Slim Crew Neck T-Shirt Black

Color: BLACK

$40.00 USD

Layers Slim Crew Neck T-Shirt White

Layers Slim Crew Neck T-Shirt White

Color: WHITE

$40.00 USD

Shop Men’s Briefs, Boxers, Tanks, and More by C-IN2

Flex Collection

Made to move with you. C-IN2 Flex delivers 4-way stretch, sculpted fits, and breathable performance that feels as good as it looks. Designed for everyday versatility, Flex blends comfort with an edge—whether you’re working out, lounging, or layering under your favorite fits.

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Bold Swimwear

SHOP Poolside
Flex Low Rise Brief Black
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
50% OFF at Checkout

Flex Low Rise Brief Black

$32.00 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 Sapphire Blue - C - IN2 New York
Flex Low Rise Brief Sapphire Blue - C - IN2 New York
Flex Low Rise Brief Sapphire Blue - C - IN2 New York
Flex Low Rise Brief Sapphire Blue - C - IN2 New York
Flex Low Rise Brief Sapphire Blue - C - IN2 New York
Flex Low Rise Brief Sapphire Blue - C - IN2 New York
50% OFF at Checkout

Flex Low Rise Brief Sapphire Blue

$32.00 USD
Flex Low Rise Brief Sapphire Blue - C - IN2 New York
Flex Low Rise Brief Pebble Grey - C - IN2 New York
Flex Jock Sapphire Blue - C - IN2 New York
Flex Jock Sapphire Blue - C - IN2 New York
Flex Jock Sapphire Blue - C - IN2 New York
Flex Jock Sapphire Blue - C - IN2 New York
Flex Jock Sapphire Blue - C - IN2 New York
50% OFF at Checkout

Flex Jock Sapphire Blue

$30.00 USD
Flex Jock Sapphire Blue - C - IN2 New York
Flex Jock Black - C - IN2 New York
Flex Jock Pebble Grey - C - IN2 New York
Flex Fly Front Brief Sapphire Blue - C - IN2 New York
Flex Fly Front Brief Sapphire Blue - C - IN2 New York
Flex Fly Front Brief Sapphire Blue - C - IN2 New York
Flex Fly Front Brief Sapphire Blue - C - IN2 New York
Flex Fly Front Brief Sapphire Blue - C - IN2 New York
Flex Fly Front Brief Sapphire Blue - C - IN2 New York
50% OFF at Checkout

Flex Fly Front Brief Sapphire Blue

$32.00 USD
Flex Fly Front Brief Sapphire Blue - C - IN2 New York
Flex Jock Black - C - IN2 New York
Flex Jock Black - C - IN2 New York
Flex Jock Black - C - IN2 New York
Flex Jock Black - C - IN2 New York
Flex Jock Black - C - IN2 New York
50% OFF at Checkout

Flex Jock Black

$30.00 USD
Flex Jock Sapphire Blue - C - IN2 New York
Flex Jock Black - C - IN2 New York
Flex Jock 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 - 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 - C - IN2 New York
50% OFF at Checkout

Flex Low Rise Brief Pebble Grey

$32.00 USD
Flex Low Rise Brief Sapphire Blue - C - IN2 New York
Flex Low Rise Brief Pebble Grey - C - IN2 New York
Flex Jock Pebble Grey - C - IN2 New York
Flex Jock Pebble Grey - C - IN2 New York
Flex Jock Pebble Grey - C - IN2 New York
Flex Jock Pebble Grey - C - IN2 New York
Flex Jock Pebble Grey - C - IN2 New York
50% OFF at Checkout

Flex Jock Pebble Grey

$30.00 USD
Flex Jock Sapphire Blue - C - IN2 New York
Flex Jock Black - C - IN2 New York
Flex Jock Pebble Grey - C - IN2 New York
Flex Boxer Brief 7" Inseam Black - C - IN2 New York
Flex Boxer Brief 7" Inseam Black - C - IN2 New York
Flex Boxer Brief 7" Inseam Black - C - IN2 New York
Flex Boxer Brief 7" Inseam Black - C - IN2 New York
Flex Boxer Brief 7" Inseam Black - C - IN2 New York
Flex Boxer Brief 7" Inseam Black - C - IN2 New York
50% OFF at Checkout

Flex Boxer Brief 7" Inseam Black

$34.00 USD
Flex Boxer Brief 7" Inseam Sapphire Blue - C - IN2 New York
Flex Boxer Brief 7" Inseam Black - C - IN2 New York
Flex Boxer Brief 7" Inseam Pebble Grey - C - IN2 New York
Flex Boxer Brief 7" Inseam Sapphire Blue - C - IN2 New York
Flex Boxer Brief 7" Inseam Sapphire Blue - C - IN2 New York
Flex Boxer Brief 7" Inseam Sapphire Blue - C - IN2 New York
Flex Boxer Brief 7" Inseam Sapphire Blue - C - IN2 New York
Flex Boxer Brief 7" Inseam Sapphire Blue - C - IN2 New York
Flex Boxer Brief 7" Inseam Sapphire Blue - C - IN2 New York
Flex Boxer Brief 7" Inseam Sapphire Blue - C - IN2 New York
50% OFF at Checkout

Flex Boxer Brief 7" Inseam Sapphire Blue

$34.00 USD
Flex Boxer Brief 7" Inseam Sapphire Blue - C - IN2 New York
Flex Boxer Brief 7" Inseam 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 - C - IN2 New York
50% OFF at Checkout

Flex Boxer Brief 7" Inseam Pebble Grey

$34.00 USD
Flex Boxer Brief 7" Inseam Sapphire Blue - C - IN2 New York
Flex Boxer Brief 7" Inseam Black - C - IN2 New York
Flex Boxer Brief 7" Inseam Pebble Grey - 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 Hand Me Down

Innovative Fabric Blends

  • Designed for movement, made to be seen
  • Performance-grade functionality
  • Precision blends that hold shape and color
  • 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.

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.