Wigwam Women's Snow Sirocco Midweight Wool Ski Sock 42% Wool, 24% Stretch Nylon, 21% Polypropylene, 7% Stretch Polyester, 5% Olefin, 1% Spandex Made in US Machine Wash Midweight Knee-high fully cushioned classic Wool ski socks with a performance fit Provides warmth and durability of wool Foot hugging performance ski and snowboard fit Polypropylene durability and moisture control Lifetime Guarantee