[ ]: Elastic polyester fabric, good sweat-wicking, comfortable and breathable. Offers good elasticity and abrasion resistance, effectively supports calf muscles and keeps skin dry. [ FULL PROTECTION ]: Features independent honeycomb padding and anti-collision design that is lightweight and helps disperse impact force. High-stretch material conforms to leg contours, providing effective compression and balanced support. Helps protect the shin and calf. [ PROTECTIVE EFFECTS ]: Designed for individuals with conditions such as calf injuries, cramps, shin splints, calf strains, tendon pain, arthritis, tendinitis, stiffness, sore muscles, or those recovering from surgery. [ APPLICATION SCENARIO ]: Ideal for sports and activities including soccer, running, tennis, squash, gym workouts, hockey, walking, and weightlifting. [ SIZE GUIDE ]: M / L / XL Total Length: 29 / 30 / 31 inches Upper Circumference: M: 26–32 inches L: 28–34 inches XL: 30–39 inches Lower Circumference: M: 16–19 inches L: 18–21 inches XL: 20–23 inches