S: Thigh circumference 29-32cm, joint circumference 17-20cm, foot circumference 13-16cm, leg length 25cm. M: Thigh circumference 36-39cm, joint circumference 22-25cm, foot circumference 16-19cm, leg length 30cm. L: Thigh circumference 43-46cm, joint circumference 27-30cm, foot circumference 19-22cm, leg length 35cm. 360 Degree Support: Light compression ensures stability and improves balance between muscle groups for full support and prevents injuries from turning into more serious conditions. Check out our video and measure according to our instructions to choose the correct size. You can find the size chart in the picture. 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. VETERINARY PREMIUM: Our knee braces are designed and manufactured to provide superior support and comfort without compromising the dog's mobility. High-performance neoprene provides enhanced elasticity to better accommodate dog legs. Some dogs have sagging hips and the upper belt may slide back. Need more support Knee pads are made of 2mm neoprene and are fully flexible. Giving light pressure increases blood circulation and makes the recovery process faster. Our knee braces are designed and manufactured to provide superior support and comfort without compromising the dog's mobility. High-performance neoprene provides enhanced elasticity to better accommodate dog legs. Some dogs have sagging hips and the upper belt may slide back. Need more support Knee pads are made of 2mm neoprene and are fully flexible. Giving light pressure increases blood circulation and makes the recovery process faster. Our knee braces are designed and manufactured to provide superior support and comfort without compromising the dog's mobility. High-performance neoprene provides enhanced elasticity to better accommodate dog legs. Some dogs have sagging hips and the upper belt may slide back. Need more support Knee pads are made of 4mm neoprene and are fully flexible. Giving light pressure increases blood circulation and makes the recovery process faster.