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See Into Comfort. See Into Style.

C-IN2 (pronounced "see-into") makes bold, high-quality men’s underwear, t-shirts, and tanks. Designed for comfort, confidence, and sex appeal—with modern fits and premium fabrics. Since 2005, we've helped guys look good and feel even better.

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Swimwear That Stands Out

Whether you’re poolside, beach-bound, or catching sun in the city, our swim briefs, thongs, and shorts are made to turn heads.

Tees + Tanks for the Heat

Whether you're out in the sun or on the move, our tanks and tees are lightweight, breathable, and built for everyday summer wear.

Designed to Show Off

Minimal cuts, sculpted fits, and all-day support—our boldest styles are made to stand out, wherever confidence takes you.

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.