Disclaimer: Compostable bag may arrive torn. Product is brand new. Details below.

Moves like gym gear. Feels like a favorite tee.

Built on a sport silhouette, worn everywhere else. The Core Sport Brief cuts the leg high to free the thigh — full mobility, clean profile — in 100% cotton that keeps it comfortable long after the workout's done.

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Fabric
100% Cotton. Soft, breathable, and natural against the skin, wash after wash.

Fit & Silhouette
Men's low-rise cotton sport brief — sits below the natural waist with high-cut legs that open the thigh for full freedom of movement.

Contour Pouch
Sculpted 2-ply contour pouch with center-seam construction — supportive shape that moves when you do.

Leg Openings
High-cut openings free the upper thigh — nothing rubs, nothing restricts.

Waistband
1.5" exposed elastic waistband with repeat C-IN2 branding — locked in through every rep and every errand.

Fit note
True to size. For a looser fit, go one size up.

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Care
Machine wash.
Imported.

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Core

C-IN2's foundation — every essential silhouette, cut in soft, breathable 100% cotton that feels better the longer you own it. The drawer you build once and reach for every day.

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Packaging Disclaimer
We tried to do better for the planet, but this one didn't work out. To reduce our environmental impact, we packed select underwear styles in this collection in compostable bags. Some of these bags broke down sooner than we expected, so yours may arrive torn or damaged. We're sorry about that.

The underwear inside is brand new and unworn. If it's a gift, the bag may not be gift-ready. All other C-IN2 products are unaffected.