Aetrex Copper Athletic Low Cut Sock, Black, Large

Specially designed sport sock that provides the benefits of copper with extra cushioning for comfort and durability plus Moisture-Guard technology to wick sweat away. Manufacturer offers unconditional guarantee. If you are not satisfied with this product, return it with a dated receipt to Aetrex Worldwide for a replacement pair or one of like value. Sizing is unisex sizing: Medium fits women's shoe size (USA) 5.5-9.5 and men's shoe size (USA) 4.5-8.5; Large fits women's shoe size (USA) 9.5-13 and men's shoe size (USA) 8.5-12; Extra-Large fits men's shoe size (USA) 12-15.