Made for the times when you break a sweat in cool temps—did someone say a fall hike or early spring mountain bike ride?—the men's Smartwool Merino Sport hoodie keeps you feeling comfortable and fresh.

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From your first mile on the trail to your final push to the summit, Smartwool Merino Sport Lined shorts with a 5 in. inseam provide support, dry quickly and help regulate body temperature.

ShortsRunning Shorts

Finally, you've found a pair of shorts that'll keep up with you from the moment you put them on and through to the celebratory cheers at the finish. Meet the men's Smartwool Merino Sport lined shorts.

ShortsRunning Shorts

A long-sleeved tee that works with you as you move, the Smartwool Merino Sport Logo Graphic tee helps with thermoregulation, odor control, dry times and durability so you can keep up the intensity.

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Feel great in cool- to warm-weather activities with the Smartwool Merino Sport long-sleeve quarter zip. Its merino/polyester fabric blend offers odor control, temperature regulation and durability.

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With vertical color blocks and an athletic fit, the men's Smartwool Merino Sport long-sleeve crew is a sharp and practical top to wear when diving into your mild-weather outdoor activities.

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Vertical color blocks and an athletic fit make the men's Smartwool Merino Sport long-sleeve crew a sharp and practical top to wear when diving into your mild-weather outdoor activities.

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Built with the outdoor enthusiast in mind, the men's Smartwool Merino Sport long-sleeve quarter-zip top provides thermoregulation, odor resistance and durability for years of adventure.

Underwear TopsBase Layer Tops

However you move, and whatever you need to do in the day, the women's Smartwool Merino Sport Moto tights keep you going in stretchy, breathable materials with a high-rise waist for coverage.

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Ready for a day at the office or an afternoon out with friends, the women's Smartwool Merino Sport shirt dress is a long button-down made with stretch-woven fabric and breathable side panels.

Skirts and DressesDresses

Conquer your to-do's—then lounge on the couch—in the women's Smartwool Merino Sport Straight Leg pants. Soft and stretchy, they combine moisture management, thermoregulation and durability.

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Made in a supersoft merino wool and TENCEL™ lyocell blend performance fabric, the Smartwool Active Ultralite High-Neck tank top is primed for intense workouts while also being suitable for daily wear.

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Great for sweaty training runs or trail hikes, the women's Smartwool Merino Sport Ultralite Hoodie has a lightweight, natural softness that makes it an excellent option no matter what your day holds.

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The athletic fit of the Smartwool Merino Sport Ultralite long sleeve complements the movements of your body, while the merino wool fabric blend helps you feel cool even as your activity intensifies.

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