Item Type: Foot Drop Orthotic Brace_x000D_Material: Sponge, OK cloth, aluminum strip_x000D_Ankle Size: Approx.33cm / 13in_x000D_Foot Size: Approx.42cm / 16.5in_x000D_Advantages: By adjusting the angle of the aluminum strip, you can change the tension applied to the sole of the foot. 1Aluminum strip inside the plantar fasciitis splint which can be adjusted for your needs. 2With a band that can pull the toes and foot up to a slightly dorsiflexion position. 3Soft foam?filled design, provide a comfortable wearing experience and relieve your pain. 4The circumference length of ankle and foot is long enough to fit different people's feet and calves. 5Relieve and improve the painful symptoms of plantar fasciitis and achilles tendinitis.