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.

UnderwearUnderwear Bottoms

These are made for legs in motion. The soft-touch women's On Active tights are ready for a cool-weather run and have you covered for a workout. Plus, they have plenty of pockets.

Pants ParentTights

Seafolly Active Twist Ban Hipster swim bottoms offer regular coverage and classic styling with a twist detail waistband, and are ready to serve as your go-to bottoms all summer long.

SwimsuitsSwimsuit Bottoms

When you're heading out into iffy weather, grab the men's Smartwool Active Ultralite anorak. It's loaded with practical details, like a half zipper for venting and a flip-up hood, to keep you cozy.

JacketsWind Shells

With a soft, performance fabric blend of merino wool and TENCEL™ lyocell, the Smartwool Active Ultralite High-Neck tank top is primed for an intense workout but is also suitable for everyday wear.

Shirts ParentTank Tops

You can work up a sweat and still feel cool with the women's Smartwool Active Ultralite long-sleeve T-shirt. With its soft, lightweight and comfy feel, this top is great for high-energy activities.

Shirts ParentShirts

Designed to help you stay cool and comfortable when you work up a sweat, the women's Smartwool Active Ultralite Racerback tank top is ready for wherever your workout takes you—gym, roads or trails.

Shirts ParentTank Tops

Keep things breezy in the summer with the women's Smartwool Active Ultralite V-neck T-shirt. Great for trail hikes and yoga classes, it's light, soft and built to keep you cool.

Shirts ParentShirts

Keeping kids warm and comfortable on action-packed winter adventures, the Odlo Active Warm Eco base layer top offers advanced thermoregulation and warmth while allowing a full range of movement.

Underwear TopsBase Layer Tops

Show your young ones that snow and ice are fun with the right gear. The kids' Odlo Active X-Warm long-sleeve base layer top wicks moisture and has cozy fleece inserts to keep them warm and dry.

Underwear TopsBase Layer Tops

Keep the sun off your hands and the heat at bay with these Outdoor Research ActiveIce Chroma full sun gloves. Their perforated synthetic suede palms release heat without compromising on protection.

Gloves and MittensSun Gloves

Built with bestselling ActiveIce™ technology, the women's Outdoor Research ActiveIce Spectrum Sun long-sleeve tee helps keeps you cool and protected in hot, sweaty, sun-baked conditions.

Shirts ParentShirts

Built for climbers, skiers, mountaineers and hikers, the Outdoor Research ActiveIce sport hijab is perfect for exercise and everyday use. Plus, the fitted stretchy knit means no need for pins here!

HeadwearScarves

Delivering back-of-hand sun protection and grippy palms to keep hold of your trekking poles, ice axe or bike handlebar, Outdoor Research ActiveIce sun gloves help you stay cool on hot, sunbaked days.

Gloves and MittensSun Gloves