REI Co-op Midweight Base Layer Bottoms - Men's

REI Co-op Midweight Base Layer Crew Top - Men's

Artilect Flatiron 185 Base Layer Leggings - Men's

Icebreaker 260 Merino Tech Thermal Leggings with Fly - Men's

Smartwool Classic Thermal Merino Crew Base Layer Top - Men's

Midweight Base Layers

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Burton Midweight Base Layer Pants - Men's

Helly Hansen Lifa Merino Midweight Base Layer Pants - Men's

Soft, breathable and naturally odor resistant, the ultrafine merino wool of the men's REI Co-op Merino 185 base layer bottoms is beloved for sweating

Merino 185 Base Layer Bottoms - Men's Tall Sizes

REI, Underwear & Socks, New Rei Coop Midweight Base Layer Bottoms Mens

REI Co-op Lightweight Polartec Power Dry Long Underwear Bottoms - Men's

REI Co-op Silk Long Underwear Bottoms - Men's Tall

Men's Midweight Base Layer Bottoms

An ideal performance layer, the men's REI Co-op Midweight base layer bottoms boast a smooth face and low-bulk seams for easy layering and a brushed

Midweight Base Layer Bottoms - Men's

The Best Budget Base Layers: REI Co-op Midweight Base Layer Review