"The Vulkan Classic 3004 Ankle Support comprises of three layers: 1. A protective outer nylon top layer 2. A closed cell neoprene layer that retains heat and provides compression 3. The unique Aerotherm spiral lining that allows air to circulate, drawing perspiration away from the skin to reduce skin irritation and increase comfort. The contoured sleeve design provides support and compression to the entire ankle joint without restricting movement. The breathable lining makes the support suitable for use over extended periods of time without skin irritation. ? Provides support and compression to weak or sore ankles while retaining natural body heat ? Exclusive Aerotherm lining allows the support to retain heat to help speed up the body?s natural healing process, whilst allowing air to circulate freely allowing the skin to breathe ? Ideal for a sprained ankle or minor injuries such as strains, arthritic ankle pain, damage to tendons or minor ligament damage ? Helps to support sore, weak, injured or"