In men’s and women’s styles, the Cherokee LX Support sock is made with a soft bamboo fiber that naturally resists odor and wicks away moisture. Knee high 1 pair pack. 15-20 mmHg compression. 62% bamboo viscose / 29% polyester / 5% nylon / 4% Spandex. Features: Soft bamboo fiber naturally resists odor and moisture buildup. Extra cushioning on the sole through the heel. Non-binding band keeps socks up without reducing circulation. Arch support. Sizes: S/M fits shoe sizes 4-7H M/L fits shoe sizes 8-12 Care for bamboo: Wash in cool to warm water with a gentle liquid detergent, but no fabric softener. Softeners and dryer sheets can build up on the fabric which can cause weakening of the fibers and decrease absorbency. Tumble dry on medium.