These socks have moderate compression to help relieve swelling and leg fatigue. The unisex design also features cushioned footbeds for all-day comfort. Nylon/spandex/polyester. Machine wash. Made in the U.S.A. Unisex sizes: Small (Women's 7-9, Men's 5-7), Medium (Women's 9.5-11, Men's 7.5-10), Large (Women's 11.5-13, Men's 10.5-12), XL (Men's 12.5-14).