Curl up by a crackling fire after a day outdoors in the women's Smartwool Hudson Trail fleece pullover, which features incredibly soft merino wool and a fold-over collar for extra comfort.

ClothingSweaters and Sweatshirts

Outdoor-adjacent style meets outdoor-ready function in the men's Smartwood Hudson Trail fleece vest. Its recycled wool fleece keeps you looking and feeling warm, cozy and ready to hit the trails.

VestsFleece Vests

Get comfy warmth around your core with the men's Smartwool Hudson Trail fleece vest, which features soft merino wool, practical details and cozy pockets.

VestsFleece Vests

If you're pushing yourself on a workout, you don't want to worry about the cold. That's where the Smartwool Intraknit Active arm sleeves help—they add warmth, manage moisture and feel great.

WarmersArm Warmers

Designed to layer under pants or shorts, the men's Smartwool Intraknit Active base layer bottoms help with temperature regulation and moisture management to keep you comfortable while you're active.

Underwear BottomsBase Layer Bottoms

Designed to layer under shorts or pants, the women's Smartwool Intraknit Active base layer bottoms help with moisture management and temperature regulation to keep you comfortable while you're active.

Underwear BottomsBase Layer Bottoms

With mesh ventilation for cooling, minimal seams to help reduce chafing and a fit that moves with your body, the men's Smartwool Intraknit Active base layer top is ready to go the distance with you.

Underwear TopsBase Layer Tops

With mesh ventilation for cooling, a fit that moves with your body and minimal seams to help reduce chafing, the women's Smartwool Intraknit Active base layer top is ready to go the distance with you.

Underwear TopsBase Layer Tops

Adventure is never far out of reach with the men's Smartwool Intraknit Merino Fleece full-zip hoodie. Made for high-intensity activities, this hoodie makes getting out the easiest part of your day.

JacketsFleece Jackets

Technical meets comfortable in the men's Smartwool Intraknit Merino Sport full-zip jacket. It features a 3D-knitting technique that puts warmth, ventilation and insulation where you need them most.

JacketsRunning Jackets

Technical performance meets comfort in the men's Smartwool Intraknit Merino Sport full-zip jacket. It uses a 3D-knitting technique to put warmth, ventilation and insulation where you need it the most.

JacketsRunning Jackets

Technical meets comfortable in the women's Smartwool Intraknit Merino Sport full-zip jacket. It features a 3D-knitting technique that puts warmth, ventilation and insulation where you need them most.

JacketsRunning Jackets

With the ultimate balance of protection and performance, the Smartwool Intraknit Merino Tech Full-Zip top prioritizes warmth, breathability and ease of movement for your trail adventures.

Shirts ParentShirts

Offering comfort from the start of your trek to the hard-earned end with the Smartwool men's Intraknit Merino Tech half-zip hoodie. It's a warm, breathable and water-resistant essential.

ClothingSweaters and Sweatshirts