[]: Elastic polyester fabric, comfortable, breathable, and moisture-wicking. Offers good elasticity and abrasion resistance to help keep the skin dry and provide effective calf muscle support. [Full Protection]: Features independent honeycomb padding and an anti-collision design that is lightweight and helps disperse impact force. High-stretch material conforms to the leg contours, providing compression and balanced support. Offers comprehensive protection for the shin and calf. [Protective Benefits]: Ideal for individuals seeking relief or 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]: Suitable for various sports and activities including soccer, running, tennis, squash, gym workouts, hockey, walking, and weightlifting. [Size Guide]: Based on leg circumference and weight - M: Upper circumference 26–32 cm, lower circumference 16–19 cm, recommended for individuals under 65 kg - L: Upper circumference 28–34 cm, lower circumference 18–21 cm, recommended for individuals under 75 kg - XL: Upper circumference 30–39 cm, lower circumference 20–23 cm, recommended for individuals under 100 kg