COZY UP THIS WINTER WITH THE SMARTWOOL BURGEE CREW SOCK. Lead your best active winter lifestyle with the Smartwool Burgee Crew Sock. This sock provides support, cushioning, and a unique style to help ensure that you stay comfortable. A soft Merino wool blend offers a temperature regulating feature that keep you smiling even in the cold. FEATURESA fun, comfortable sock for casual or active useUltra-soft merino wool blend feels great under shoes or bootsShred Shield technology helps reduce wear and tearTECH SPECS52% Merino wool, 46% nylon, 2% elastane