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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

RO3 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

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C - Theory Low Rise Brief Plato Pink - C - IN2 New York
C - Theory Low Rise Brief Plato Pink - C - IN2 New York
C - Theory Low Rise Brief Plato Pink - C - IN2 New York
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C - Theory Sport Brief Timothy Teal - C - IN2 New York
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C - Theory Thong Godfry Green - C - IN2 New York
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C - Theory Thong Timothy Teal - C - IN2 New York
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C - Theory Sport Brief Borris Blue - C - IN2 New York
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C - Theory Thong Borris Blue - C - IN2 New York
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C - Theory Thong Nasr Navy - C - IN2 New York
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C - Theory Sport Brief Godfry Green - C - IN2 New York
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C - Theory Dash Brief Timothy Teal - C - IN2 New York
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C - Theory Low Rise Brief Timothy Teal - C - IN2 New York
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C - Theory Low Rise Brief Borris Blue - C - IN2 New York
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C - Theory Thong Plato Pink - C - IN2 New York
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C-Theory Thong Plato Pink

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C - Theory Low Rise Brief Godfry Green - C - IN2 New York
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C - Theory Dash Brief Ruel Red - C - IN2 New York
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C - Theory Dash Brief Borris Blue - C - IN2 New York
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C - Theory Sport Brief Oscar Orange - C - IN2 New York
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C - Theory Mid Rise Brief Plato Pink - C - IN2 New York
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C - Theory Low Rise Brief Ruel Red - C - IN2 New York
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C - Theory Low Rise Brief Pryce Purple - C - IN2 New York
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C - Theory Sport Brief Pryce Purple - C - IN2 New York
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Men’s C-Theory Underwear: Modern Color, Textured Mesh & Refined Fit

What Is the C-IN2 C-Theory Collection?

The C-IN2 C-Theory Collection is inspired by color theory and texture—where hue, surface, and silhouette work together to create visual impact. Designed with sleek fits and a textured mesh fabric, C-Theory brings depth and dimension to everyday underwear through intentional color, subtle structure, and modern design.

Why Choose C-Theory Underwear?

C-Theory is made for guys who want their underwear to feel considered and expressive. The collection’s textured mesh fabric adds visual interest and breathability, while carefully selected color palettes enhance the body and elevate the look. Men’s C-Theory underwear blends everyday comfort with fashion-forward design that feels bold, modern, and wearable.

Is C-Theory Underwear Comfortable for Everyday Wear?

Yes. While C-Theory leans into color and texture, it’s built for daily wear. The lightweight mesh construction feels breathable and soft against the skin, while thoughtfully engineered fits ensure comfort throughout the day—making this an easy upgrade from basic solids.

What Makes the C-IN2 C-Theory Collection Different?

C-IN2 C-Theory underwear stands apart through its combination of color, texture, and fit. Key features include:

  • Textured mesh fabric that adds depth without feeling athletic

  • Intentional color palettes inspired by modern color theory

  • Sleek, contemporary silhouettes with a refined profile

  • Clean design details that let color and texture take center stage

  • Body-conscious cuts designed for confident everyday wear

Each style is designed to feel expressive, elevated, and easy to wear.

C-Theory Styles for Expressive, Everyday Wear

The C-IN2 C-Theory Collection brings modern color and texture into your everyday rotation. From rich tones to balanced hues, each piece is designed to add visual interest without overpowering your look. Confident, refined, and intentionally designed, C-Theory proves that everyday underwear can still feel creative and elevated.

Explore the full range of men’s C-Theory underwear, where color, texture, and comfort come together in a modern essential.

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.