Browning Hosiery Men's Outdoorsman Heavyweight Sock, 2 Pair Pack Acrylic Nylon Wool 65% Acrylic, 20% Merino Wool, 13% Nylon, 2% Spandex Heavyweight for cold weather; Arch support for added fit; Flat toe seam Moisture management; Full cushion leg and foot; Itch-free merino wool blend Machine wash warm, tumble dry low, no bleach United States