Soothe achy knees with cold relief therapy! The hands-free, adjustable knee brace includes a removable, cold therapy ice pack for treating the pain, swelling and irritation associated with nagging sports injuries, arthritis, muscle strains and pulls with pinpoint accuracy on the knees, joints, or anywhere soreness is an issue. Stay mobile while you heal. One size fits all. Neoprene, nylon, polyester.