Women's Mov e re Pacer Low Cut - Small Black Performance Socks - Made for Movement Made from: 67% Polpropylene, 29% Nylon, 4% Spandex Anti-blister construction Velox Fibers Precision Toe Seam Made in the USA Care instructions Wash in cold water with like colors. Only non-chlorine beach when needed. Tumble dry low. Unisex Sizes: Small: 4-6 Medium: 6-10 Large: 10-13 X-Large: 13-15