The Smartwool Men's Merino 250 Base Layer 1/4 Zip T-Neck features improved functionality with enhanced aesthetics. Made from 100% Merino wool fabric, this base layer offers breathable warmth, moves sweat away from the body, and provides next-to-skin comfort in colder conditions. Shoulder panels eliminate top shoulder seams and flatlock seam construction helps minimize chafing. The Smartwool Men's Merino 250 Base Layer 1/4 Zip T-Neck is the perfect addition to your winter wardrobe.