The Dollephi Dog Knee Brace is designed specifically for XL-sized dogs like Labrador Retrievers suffering from torn ACL, luxating patella, or cruciate ligament issues in their hind legs. This knee brace provides support and stability to help alleviate pain and promote healing in the affected leg. The brace is tailored to fit comfortably on larger breeds and is a valuable tool in the health care of dogs with these common orthopedic conditions.