ECCO Men's 3 Pack Solid Anklet Sport Socks 80% Cotton/17% Nylon/3% Spandex Machine Wash A lightweight, moisture absorbing fiber. No other fiber offers the comfort and feel of nature's own fiber. It is breathe-able, washable, and biodegradable. It is breathe-able, washable, and biodegradable 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!