Shires Hot/Cold Relief Boots This is a versatile boot for the lower leg used to treat ligaments and tendons. Can be used hot or cold to speed up recovery from an injury or strenuous exercise. It encourages blood flow to reduce healing time. Also good to help reduce swelling, relax tight muscles or relieve pain. The gel packs can be heated in hot water or the microwave. For cold use, the gel packs can be cooled in cool water or cooled in the freezer. The gel packs are secured by touch-close fastenings. Neoprene with bound edges and touch-close straps provide a secure, supportive fit. Can be used on front or back legs. Hand wash cool and air dry. One size. Sold in pairs. Features: Can be used for hot or cold therapy Helps reduce swelling, relax tight muscles or relieve pain Encourages blood flow Can be used on front or back legs