Lightweight and long-lasting, the men's Ortovox 120 Cool Tec Fast Upward T-shirt has a self-cooling effect and robust construction to help you keep up the pace on mountain terrain.

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The men's REI Co-op Active Pursuits half-zip shirt stretches four ways for easy mobility on the trail, and offers breathable warmth for comfortable lounging after your run.

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Head off-road for a quick hike and then head back into town in comfort and confidence in the men's Marmot Aerobora shirt. Its heathered slubbed fabric breathes well and dries fast.

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Offering coverage on desert multi-pitches, high-alpine approaches and hot crag sessions, the men's Black Diamond Alpenglow long-sleeve crew shirt fends off sun, sweat and overheating.

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A go-to for urban outings, far-flung travels and trail adventures, this men's Outdoor Research Astroman long-sleeve sun shirt keeps you moving with easy stretch and UPF 50+ sun protection.

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Sunny crag days get a little bit better in this button-up. With built-in UPF 50+ sun protection, the men's Outdoor Research Astroman sun shirt protects you from harsh rays while on the wall.

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There's a reason it's a bestseller. The men's Outdoor Research Astroman technical sun shirt delivers UPF 50+ protection and ultimate stretch for all your trail and urban outings and travel adventures.

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Whether you're sending or hanging back at camp, the men's Mountain Hardwear Big Cottonwood shirt will keep you feeling airy and dry thanks to its soft cotton weave and a fit with room to move.

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It's easy to go from office hours to an after-hours hike in the men's Vuori Bridge Long-Sleeve shirt. The classic button-down gets an outdoor upgrade in breathable, anti-order performance fabric.

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Keep comfortable—and beat the bugs—in this ultralight, breathable shirt. The Royal Robbins Bug Barrier Vista Dry plaid long-sleeve shirt is built for hiking and traveling in hot, buggy areas.

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Built for use on the trail or the water, the men's Patagonia Capilene Cool Daily Graphic Hoodie is versatile and technical with a relaxed fit. It's quick-drying with stretch for mobility and comfort.

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Designed for trail days and aquatic adventures, the men's Patagonia Capilene Cool Daily Graphic hoodie stretches easily, controls odors and dries fast after a dip.

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Whether you're hitting the trails, the crag or just kicking back with friends, the men's Patagonia Capilene Cool Daily Graphic long-sleeve shirt helps you express your style—in comfort.

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Soft, quick-drying and stretchy, the men's Patagonia Capilene Cool Daily Graphic shirt is a versatile performance knit for running, climbing, hanging with friends and so much more.

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