1、High quality material: Elastic polyester fabric, good sweat, comfortable and breathable. Good elasticity, good abrasion resistance, effective calf wrap and dry skin. 2、Honeycomb anti-collision and silicone anti-skid design: The large honeycomb anti-collision cotton is full of elasticity, can quickly restore the original shape, absorb the impact force during impact, reduce muscle and bone damage, and effectively protect the calf from injury. Long lifespan, non-slip silicone design prevents it from falling. 3、Protective sleeves: Light and easy to store sports equipment that protects the tibia from injuries and has a variety of uses. It can help to fix the sport posture, effectively compress the muscles, reduce the risk of injury, quickly sweat, anti-impact and quick-drying fabric sports leggings, four-sided elasticity, honeycomb anti-collision, all convenient to protect the calf from damage. 4、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.  5、Size: We provide 3 sizes to choose from, including 2 calf sleeves to meet your needs. Please refer to the size recommendation and choose the size that suits you. Fabric: Lycra Filling: silicone Colour: Black Size: M/L/XL Uses: To prevent sports injuries and protect the lower legs Application: football, basketball, baseball, volleyball, tennis, running and other outdoor sports