
Sweet dreams are made of moisture-wicking, fast-drying fabric that sits comfortably from the mountaintops to the track. Make the women's REI Co-op Active Bikini underwear your new essential layer.

Who needs sleep with a midnight sun? Take the women's Patagonia Active Briefs along on glacier treks, fishing trips and canoeing expeditions past the chiseled shorelines in Norway's Lofoten Islands.

Made to move, the moisture-wicking, quick-drying and antimicrobial women's REI Co-op Active Briefs underwear is your ticket to comfy on and off the trail. Designed for people who like to move.

As you move toward adventure, your adventurous underwear should ideally stay put. Good thing the women's Patagonia Active Hipster underwear won't let wedgies get in the way of your goals.

The women's REI Co-op Active Hipster underwear is soft to the touch and comfy with every stride. These briefs wick moisture, dry quickly and are antimicrobial for an active day out.

Dawn to dusk outdoors can be fun and comfortable—with the soft, breathable fabric and barely-there trim of the women's REI Co-op Active hipster underwear.

Stand up to sweat in the buttery soft REI Co-op Active Thong underwear. It wicks away moisture and is antimicrobial for hiking, running and days where the sun is your only guiding light.

Ideal for everyday wear and active pursuits alike, the Icebreaker Anatomica boxer briefs are made with ultralight merino wool for warmth and all-day comfort.

Leave chafing, rolling and binding behind on your next trip with the women's Patagonia Barely Hipster underwear. A blend of soft, featherweight fabric wicks moisture, breathes and dries quickly.

With soft, stretch cotton, comfort seams and non-friction areas, Kari Traa Dekorativ Hipster underwear feel smooth and breathable during any activity. This package of 2 offers fun colors of a go-to.

Designed not to roll, ride up or constrict, the 3 in. inseam Patagonia Essential boxer briefs keep you comfortable from sunrise to sunset, with breathable, supersoft and chafe-free fabric.

The 6 in. inseam Patagonia Essential boxer briefs keep you comfortable all day long with supersoft, chafe-free and breathable fabric and a design that never rolls, rides up or constricts.

Supersoft, chafe-free and breathable fabric combines with a bulk-free fit and anti-roll waistband to make the Patagonia Essential boxers your go-to for all-day comfort.

Our outdoor expertise doesn't stop at zip-off pants. The men's REI Co-op Everyday boxer briefs are built to traverse crags and run trails—or sit super comfortably while you plan those things.