1.Anti-collision and silicone anti-s design: The large anti-collision cotton is full of elasticity, can quickly the original shape, absorb the impact force during impact, reduce muscle and bone damage, and effectively the calf from injury. Long lifespan, non-slip silicone design prevents it from falling. 2.High quality material: Elastic polyester fabric, good sweat, comfortable and breathable. Good elasticity, good abrasion resistance, effective calf wrap and dry skin. 3.Wide application: Suitable for outdoor sports such as football, basketball, baseball, volleyball, tennis, running, calf injury, cramps, tibia splint, calf strain, Achilles tendon pain, arthritis, tendonitis, stiffness, muscle aches, surgery After recovery, etc. 4.Protective sleeves: Light and easy to store sports equipment that the tibia from injuries and has a variety of uses. It can help to fix the sport posture, effectively compress the muscles, reduce the danger of injury, quickly sweat, anti-impact and quick-drying fabric sports leggings, four-sided elasticity, all convenient to the calf from damage.