[ ]: Elastic polyester fabric, good sweat absorption, comfortable and breathable. Offers good elasticity and abrasion resistance, effectively supports calf muscles and helps keep the 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 ]: Suitable for individuals experiencing or seeking protection from conditions such as calf injuries, cramps, shin splints, calf strains, tendon pain, arthritis, tendinitis, stiffness, sore muscles, and post-surgical recovery. [ APPLICATION SCENARIO ]: Ideal for sports and daily activities including soccer, running, tennis, squash, gym workouts, hockey, walking, and weightlifting. [ SIZE GUIDE ]: M / L / XL Total Length: 29 / 30 / 31 inches M: Upper Circumference 26-32 in, Lower Circumference 16-19 in L: Upper Circumference 28-34 in, Lower Circumference 18-21 in XL: Upper Circumference 30-39 in, Lower Circumference 20-23 in