REI Co-op Merino 185 Long-Sleeve Base Layer Top - Men's

REI Co-op Merino 185 Long-Sleeve Base Layer Top - Women's Plus

Soft and breathable, the ultrafine merino wool of the naturally odor-resistant men's REI Co-op Merino 185 long-sleeve half-zip base layer top is ideal

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

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

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

REI Co-op Merino 185 Base Layer Top - Men's

Rei co-op long sleeve/1000 - Gem

REI Co-op Merino Midweight Review

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

REI Co-op Merino 185 Base Layer Bottoms - Men's

Icebreaker 260 Zone Crew Base Layer Top - Men's

REI Co-op Lightweight Base Layer Long-Sleeve Zip-Neck Top - Men's

Artilect Flatiron 185 Base Layer Crew Top - Men's

REI Co-op Active Pursuits Long-Sleeve T-Shirt - Men's