Tops & Base Layers (181 products)

Smartwool

Classic Thermal Merino Crew Base Layer Top - Men's

REI Co-op

Midweight Base Layer Half-Zip Top - Men's

REI Co-op

Midweight Long-Sleeve Base Layer Top - Men's

REI Co-op

Midweight Base Layer Bottoms - Men's

Smartwool

Classic All-Season Merino Long-Sleeve Base Layer Top - Men's

REI Co-op

Merino 185 Long-Sleeve Half-Zip Base Layer Top - Men's

Outdoor Research

Helium Down Hoodie - Men's

The North Face

Hydrenalite Down Hoodie - Men's

REI Co-op

Magma 850 Down Hoodie - Men's

The North Face

Antora Rain Hoodie - Women's

The North Face

Antora Rain Hoodie - Men's

REI Co-op

Magma 850 Down Hoodie - Women's

The North Face

Hydrenalite Down Hoodie - Women's

Fjallraven

Expedition Pack Down Hoodie - Men's

Columbia

PFG Tamiami II Shirt - Women's

Beyond Yoga

On the Down Low T-Shirt - Women's

REI Co-op

Swiftland Running T-Shirt - Women's

Free Fly

Shade Hoodie II - Women's

Vuori

Daydream Crew Top - Women's

REI Co-op

Active Pursuits T-Shirt - Women's

REI Co-op

Sahara Shade Hoodie - Women's

REI Co-op

Sahara Long-Sleeve Solid Shirt - Women's

Free Fly

Shade Hoodie - Men's

Columbia

PFG Tamiami II Long-Sleeve Shirt - Men's

Vuori

Strato Tech T-Shirt - Men's

REI Co-op

Trailmade Shirt - Men's

Vuori

Strato Tech Polo Shirt - Men's

REI Co-op

Active Pursuits Long-Sleeve T-Shirt - Men's

REI Co-op

Active Pursuits T-Shirt - Men's

REI Co-op

Sahara Long-Sleeve Solid Shirt - Men's

KUHL

Persuadr Shirt - Men's

REI Co-op

Sahara Shade Hoodie - Men's