[HIGH QUALITY MATERIAL]: Elastic polyester fabric, breathable and comfortable. Good elasticity and abrasion resistance, helps keep the skin dry and provides effective support for the calf muscles. [FULL PROTECTION]: Features independent honeycomb padding and anti-collision design that is lightweight and effectively disperses impact force. The high stretch material fits the contours of your legs, offering compression and balanced support. Provides comprehensive protection for the shin and calf. [PROTECTIVE EFFECTS]: Ideal for individuals suffering from or seeking protection against: Calf Injuries, Cramps, Shin Splints, Calf Strains, Tendon Pain, Arthritis, Tendinitis, Stiffness, Sore Muscles, and Surgical Recovery. [APPLICATION SCENARIO]: Perfect for sports such as soccer, running, tennis, squash, gym training, hockey, walking, weightlifting, and more. [SIZE CHART]: Size: M / L / XL Total Length: 29" / 30" / 31" Upper Circumference: M: 26-32" L: 28-34" XL: 30-39" Lower Circumference: M: 16-19" L: 18-21" XL: 20-23" Weight Range: M: Under 130 lbs L: Under 150 lbs XL: Under 200 lbs