Browning Hosiery Men's Merino Wool Year Rounder Sock, 2 Pair Pack Wool Spandex Nylon 75% Merino Wool, 24% Nylon, 1% Spandex Medium weight crew; Arch support for added fit Flat toe seam; Half cushion foot; Itch-free merino wool Machine wash warm, tumble dry low, no bleach United States