Smartwool Men's Classic Thermal Merino Base Layer Crew Boxed Deep Navy Colour Shift fcs HD+ lens technology enhances color

HD+ lens technology enhances color and contrast

AIRTUBE ERGOErgonomic Shape

Lightweight ThermoBall™ Eco insulation retains warmth even in damp conditions

Flax/Basalt Power stringers and an ECO- plastic topsheet

A cozy beanie knit from 100% acrylic

Smartwool Men's Classic Thermal Merino Base Layer Crew Boxed Deep Navy Colour Shift fcs HD+ lens technology enhances colorMeet 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,