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