Size: Medium Shoe Size- Men 9-11 / Women 10-12. The Ankle support helps avoid the misery and frustration resulting from an injured or weak Ankle by making sure you are prepared; right from the start with the Ankle support. Their unique design provides firm support for weak Ankle and helps to prevent and treat stress injuries. Especially recommended for sprains or strains. Comfortable to wear this Ankle support will not slip, wrinkle or bind and be suitable for all sports and athletic activities. Composed of cotton, polyester, and rubber. Suitable for sports and work related injuries. Protect your joint of ankle and muscle. Easy to use. Wash in cold water. Air dry. Don't machine dry. Tightness construction and even protection based on tridimensional sewing technology, maintain the best support during movement conditions. Similar tension as muscle stretch which leads to nature protection. Soft, comfortable, cool, sweet absorption without swelter.