beware! This item is used to support the HOC, not the KNEE. Please measure before ordering. Measure the circumference 2 inches above the hind hock and 2 inches below the hock. Product Circumference - Size X-Large above: 7.5"; Bottom: 6.25". Product Length - 9 inches. Features: 1: Our leg braces will cure pain caused by injury or surgery. 2: Provides support and stability during injuries. 3: Help them reduce inflammation. 4: Helps with loss of stability caused by arthritis. Ideal for wrapping the legs to cover cuts and wounds. Simply bandage the wound and wrap it with our extra supportive dog leg brace to prevent your dog from licking and chewing. Your dog can suffer from a number of knee-related injuries as they keep jumping over fences or garden injuries. Our canine leg joint brace for dogs extra support is designed to provide maximum support and stability while remaining lightweight and flexible. Help to : Post Injury Fatigue Hock Stability All post-operative support for Canine Hock