Easykan Business Unisex Solid Colors Premium Combed Flat Knit Socks 98.3% Combed Cotton 1.7% Spandex Imported Machine wash in cold water with similar colors Material : 98.3% Combed Cotton 1.7% Spandex True Seamless Toe for ultimate comfort Cushioned foot bottom provides comfort without added bulk Anti bacterial material helps prevent growth of odor-causing bacteria in the socks. Premium Cotton,High needle count construction,keeps your feet dry and comfortable!