Made to help you stay comfortable, confident, and outside longer doing what you love.

a flock of sheep in a scenic field with mountians in the background

Responsibly Sourced Wool

We only put our softest, ZQ-certified Merino wool next to your skin.

two woman and a man wearing Smartwool base layers

Wide-Ranging Collection

We offer comfort for every adventurer, season, and activity—with women’s plus sizes in our classic base layer styles.

smartwool knit technology

Knit Expertise

Our apparel technologies offer a high degree of comfort, perfect fit, and durability.

go far. feel good. guarantee

go far. feel good.™ Guarantee

If within two years, you don’t love your base layer, we’ll make it right.

Endless comfort starts here.

No matter how you get outside, it’s easy to find your best Merino wool base layer with Smartwool. Whether you need a lightweight Merino wool base layer for year-round adventures or our warmest Smartwool® base layer for every winter outing, we have the comfort you need to go farther. Shop Smartwool® women’s base layers, men’s base layers, kid’s base layers and the entire Smartwool® Intraknit™ base layer collection today and explore forever.