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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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