Versatile, light, wicking long-sleeve for day hikes and overnight treks. FEATURES Standard fit Shoulder seams are rolled forward and bonded for added durability and comfort  Ultraviolet Protection Factor (UPF) 30 163 G/M² 100% Polyester With FlashDry™

Designed for movement and high exertion, Capilene® Cool Lightweight is our lightest, fastest-drying, best wicking technical fabric for hot days. It moves moisture quickly and breathes exceptionally well to keep you cool and dry across the full range of active,...

Our lightest-weight performance knit wicks moisture, and dries fast for high-output days, with HeiQ® Fresh durable odor control. Made with 52-100% recycled content, Patagonia tech tees keep you comfortable when you’re working hard in conditions ranging from cool to hot....

Our softest performance knit. Quick drying and wicking to keep you dry and comfortable, with HeiQ® Fresh durable odor control. Made from 50-100% recycled content, Patagonia tech tees keep you comfortable when you’re working hard in conditions ranging from cool...

 Patagonia's most versatile performance knit for use on trails or on the water provides 50+ UPF sun protection and HeiQ® Fresh durable odor control. Patagonia tech tees keep you comfortable when you’re working hard in conditions ranging from cool to hot. ...

With the Merino 250 quarter zip, you quit only when you want to. With next-to-skin Merino, it wicks and regulates core temp as a solo piece or smartly layers up when it gets chilly. First Layer fit with no-chafe.   ...

The mark of the beast graces the front of this iconic tank top. Features: Organic cotton and spandex blend for ultimate fit and mobility Weight: 120 g Fit: Regular

High-exertion workouts and high temps don’t always play nice together, unless you’re rocking a piece from the Echo Collection. Built with UPF sun protection, AirVent™ moisture management, ActiveFresh™ odor control technology, and topped off with an anti-chafing flat-seam design, the Echo...

Lightweight and easy-to-layer, the HyperLayer FD Long Sleeve is a wicking, high-performance piece for odor-free training year-round Features: Standard fit 94% recycled polyester Anti-odor FlashDry™ keeps you cool and dry Ultraviolet Protection Factor (UPF) 50 Heat transfer logo on left...

Just about everyone who's ever tried on one of Smartwool's Merino 250 baselayers has fallen in love with the soft comfort, delicious warmth, and hop-to-it breathability of the fabric. Now we're bringing that feel and smarts to your every day....

Channel your inner mountain man with a shirt designed by Colorado artist, John Fellows. Its offset shoulder seams mean that no pack straps will lead to chafing this time. The Merino Sport 150 fabric is lightweight and breathable and should...

With the Merino 250 quarter zip, you quit only when you want to. With next-to-skin Merino, it wicks and regulates core temp. First Layer fit with no-chafe. Features Slim Fit 100% Merino wool fabric made with an interlock knit for...