Smartwool Classic Thermal Merino Baselayer Crew Men'sMeet the better than ever Smartwool Classic Thermal Merino Base Layer Crew for Men. Smartwool has 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 Smartwool's best base layers for cold weather to your winter wardrobe and experience the difference the next time you
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