1Antiskid, shockabsorbing, travel with confidence, scientifically designed antiskid grooves, can adapt to all kinds of slippery ground. 2Open design, easy to wear, front detachable guard, 360 degree protection, easy to wear, combined with four straps, stable wear, powerful hook&loop, easy to adjust the tightness, adjust according to the size of the calf. 3The inner lining can be washed repeatedly, and the inside and outside can be opened for ventilation, which is conducive to wound healing. 4Porous ventilated material, with multiple vent holes on the back of the brace, which can better ventilate, breathable, not stuffy when wearing. 5Reinforced metal buckle is easy to adjust, convenient and comfortable to wear, safe and reinforced, and durable.