Versatile therapeutic boot for the lower leg to treat ligaments and tendons. Use hot or cold to assist with speeding up recovery after strenuous exercise or injury, reduce swelling, relieve pain, relax tight muscles, and encourage blood flow to speed up healing. Gel packs can be heated in hot water or the microwave and cooled in water or the freezer. Comfortable neoprene bound edges and touch-close fastenings. Suitable for use on front or back legs. Sold in pairs. Hand wash cool, air dry. One size.