They'll move like they're in a T-shirt but with full protection from the sun. The kids' REI Co-op Sahara Shade long-sleeve T-shirt is built for the trail with a tech-tee-like knit that wicks moisture.

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Exploring a new trail close to home, or one that's far, far away, the men's REI Co-op Sahara solid long-sleeve shirt keeps you cool and comfy with wicking, quick-drying fabric and a vented back.

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Roll up your sleeves and tackle a wild trail—or unroll them to stroll closer to home. The men's REI Co-op Sahara solid long-sleeve shirt wicks moisture, dries fast and delivers UPF 30 sun protection.

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Beloved by thru-hikers and day hikers alike for its cool comfort and adjustable coverage, the women's solid REI Co-op Sahara shirt travels well, too— it packs small and dries fast.

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Quick drying material that makes it ideal for handwashing on multiday trips, the men's REI Co-op Sahara T-shirt wicks sweat, breathes and shades you with solid UPF 30 sun protection.

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A hiking staple, especially for multiday trips, the men's REI Co-op Sahara T-shirt dries quickly for quick handwashing. Plus it wicks sweat, breathes and shades you with solid UPF 30 sun protection.

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A true hiking staple, the women's REI Co-op Sahara T-shirt wicks sweat, dries quickly, stretches and shades you with solid UPF 30 sun protection.

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Keeping you dry and sun-protected when you're on the move, the stretchy REI Co-op Sahara short-sleeve T-shirt is the go-to hiking and climbing shirt for generations of happy campers.

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Made from a breezy flannel that's great when it's almost sweater weather, the women's Carve Designs Sawyer Twill shirt is an easy-going collared shirt that fits like a dream.

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Crinkly in the best and softest of ways and made with TENCEL™ modal fabric, the women's prAna Scheena shirt is a versatile style you'll absolutely love for warmer months and as a swim coverup.

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From the highest peaks to one of the hottest places on Earth, the Mountain Hardwear Sea Level T-shirt honors the great state of California as home to wilderness adventures.

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Long weekend plans should always include an adventure or two—pack the women's Marmot Seaside Ultra Lightweight Flannel shirt so you're always ready to go.

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Made from quick-drying, odor-resistant fabric, the men's TASCO Session Ride T-shirt is engineered for performance on the trail and beyond.

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A year-round staple cut from soft cotton, The North Face Set Up Camp women's flannel shirt is just as comfortable layered under your jacket on cool nights or worn alone when the temps tick back up.

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