[High Quality Material]: Elastic polyester fabric, offers good sweat-wicking performance, comfortable and breathable. Provides excellent elasticity and abrasion resistance, effectively supports calf muscles and keeps skin dry. [Full Protection]: Features independent honeycomb padding and anti-collision design, lightweight and helps disperse impact force. High-stretch material conforms to leg contours, providing effective compression and balanced support. Offers comprehensive protection for the shin and calf. [Protective Benefits]: Designed 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 Scenarios]: Ideal for sports and daily activities including soccer, running, tennis, squash, gym workouts, hockey, walking, and weightlifting. [Size Guide]: - M: Total Length 29", Upper Circumference 26-32", Lower Circumference 16-19" - L: Total Length 30", Upper Circumference 28-34", Lower Circumference 18-21" - XL: Total Length 31", Upper Circumference 30-39", Lower Circumference 20-23"