Aetrex Copper Sole Unisex Diabetic Socks Crew Machine wash warm with like colors. Use only non-chlorine bleach when needed. Tumble dry medium Non-Binding yarn with Spandex hugs leg without restriction plus hand-linked smooth toe seam for extra protection Extra cushioning for superior comfort and shock absorption Doctor recommended for individuals with diabetes 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