Smartwool Men's Classic Thermal Crew Mens Apparel and an adjustable waist

and an adjustable waist

Multi-pockets

This lightweight RedHEAT ACTIVE women's base layer crew neck top lives up to its name with optimal body temperature regulation

while the more anatomical wave shape is true to your form for a balanced

Light Construction

Smartwool Men's Classic Thermal Crew Mens Apparel and an adjustable waistMeet the better than ever Men's Classic Thermal Merino Base Layer Crew. We've updated this 100% Merino wool fan favorite with new colors and a new fit to improve functionality while enhancing aesthetics. Shoulder panels eliminate top shoulder seams, and a flatlock seam construction helps prevent chafing. Add one of our best base layers for cold weather to your winter wardrobe and experience the difference the next time you go skiing, hiking, climbing,