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

REI Co-op Lightweight Base Layer Long-Sleeve Crew Top - Men's Tall

Artilect Flatiron 185 Base Layer Crew Top - Men's

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

Merino 185 Long-Sleeve Base Layer Top - Men's Tall Sizes

Smartwool Classic Thermal Merino Pattern Crew Base Layer Top

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

Smartwool Classic All-Season Merino Long-Sleeve Base Layer Top

REI Co-op Base Layer Tops

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

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

A Complete Appalachian Trail Gear List: Realistic Packing for an

Artilect Darkhorse 185 Zoned Crew Base Layer Top - Men's