Copper Sole Women's Work Fashion Stripe Knee High Socks 98% Polyester, 2% Spandex Imported Machine Wash Copper Sole ankle socks are interwoven with cupron antifungal fibers Cupron antifungal fibers are epa registered to kill 99.9 percent of athlete's foot fungus after 12 hours of contact with the socks Copper Sole socks also help kill foot odor and help improve the appearance of your feet You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!