Forefoot off the ground design: The 15-degree design allows you to reduce pressure and pain in the forefoot in the event of foot injury or surgery, or other conditions such as metatarsal fractures, or diabetic foot ulcers, forcing you to shift your weight to your heel. Size. M(39-42) Removable hook and loop closure: It offers a wide range of height adjustment, providing comfort and effective function whether the foot is wrapped with a bandage when injured or without a bandage when recovering. Comfortable materials. The upper is made of medical grade breathable fabric, which is not stuffy all day long, and the sole is made of non-slip rubber sole, which can be applied to all kinds of ground. Single price (both left and right feet are acceptable) The length of XS size is 21.5cm The length of S code is 23.5cm The length of size M is 25.5cm The length of size L is 27.5cm The length of XL size is 30cm