Key Features:Knit with a soft Wool/Poly blend yarn composition (50% Merino Wool/50% Recycled Poly),6" padded crew cuff, fully cushioned throughout,Wool fibers inherently manage moisture to keep your feet warm and dry in the cold,Machine wash cool, tumble dry low,No bleach, softener, or harsh detergents,39% Nylon, 29% Merino Wool, 29% Recycled Polyester, 3% Lycra.