Men's Base Layers

Men's Cresta Wool Ultralight 150 Base Layer, Long-Sleeve

Men's Base Layers, Mountaineering Thermal Insulation

Men's Base Layers, Men's Thermals

Winter running gear guide: Men's base layers & long-sleeved tops

Men's Base Layers

Treeline Men's Base Layer Long Sleeve

Heated and insulated underwear for men

A Guide to Help You Pick Men's Base Layers in Winter - The Kosha

Men's Base Layer Tops, Merino Base Layer

Shop Men's Merino Wool Base Layers