These Fox River Military socks are designed to be lightweight and comfortable in warm tempertures. A cushioned sole and shin absorbs impact and wick dry technology keeps your feet cool and dry. These are mid calf boot socks for a below the knee fit. Fox River socks are guaranteed against manufacturing defects for 1 year and are proudly made in America. Specs: 69% polyprophylene, 26% nylon, 3% polyester, 2% spandex