Luxuriously soft performance spun yarn plus added cushioning without making shoes feel tighter * Flat seam construction for extra comfort and protection * Incorporates Spandex to comfortably hug the foot and leg * Eliminates 99.9% of the bacteria and fungi in the socks to control odor and rejuvenate the skin * Machine wash warm with like colors. Use only non-chlorine bleach when needed. Tumble dry medium