Classic Thermal Crew Baselayer

The Classic Thermal Crew is the gold standard in Smartwool's apparel line. It's made from 100% Merino wool for the ultimate in natural sweat management, odor resistance and temperature regulation. The addition of shoulder panels and flat lock seam construction helps prevent chafing and enhances your comfort level whether wearing it solo with a pack or layered under outerwear. Also available in plus sizing.