Size:S:length:18cm,upper thigh:17-20cm.M:length:21cm,upper thigh:22-27cm.360 Degree Support: Mild compression ensures stability and improves balance between muscle groups for full support and prevents injuries from turning into more serious conditions.Pain relief: Helps reduce inflammation by increasing joint temperature, reducing pain from cruciate ligament injuries, osteoarthritis and kneecap problems.Fast Recovery: Optimal joint temperature increases blood circulation, improves oxygen delivery, and improves performance for faster recovery.High-performance neoprene provides enhanced elasticity to better accommodate dog legs. Some dogs have sagging hips and the upper belt may slide back. Our products are made with the splendid quality materials and are designed to provide you with the best possible user experience.