Wigwam Women's Camo Pro Crew Lightweight Merino Wool Outdoor Boot Sock 34% Nylon, 32% Merino Wool, 32% Lyocell, 2% Spandex Made in US Machine Wash Offered in stylishly colored camouflage patterns Ultimo pro moisture control system keeps feet dry Performance hiking and trail sock 2-year performance guarantee USA manufactured by a 4th generation, 110 year old company