 A flat knit sock with a close, lightweight fit that is ideal as a protective second skin. Can be worn under any other SmartWool sock. Features the same SmartWool technology that delivers optimum body temperature and comfortable, dry feet all day long. Will not itch or shrink - guaranteed. Top: 1 x 1 rib welt top with nylon holds the sock up and in place. Toe seam: Flat loop toe seam for maximum comfort. Content: 61% Wool, 36% Nylon, 3% Elastic |