[High Quality Material]: 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 effective compression and balanced leg support. Offers comprehensive protection for the shin and calf. [Protective Benefits]: Designed 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]: Ideal for use during sports and physical activities such as soccer, running, tennis, squash, gym workouts, hockey, walking, and weightlifting. [Size Guide]: - M: Total length 29 cm, upper circumference 2632 cm, lower circumference 1619 cm, suitable for individuals under 65 kg - L: Total length 30 cm, upper circumference 2834 cm, lower circumference 1821 cm, suitable for individuals under 75 kg - XL: Total length 31 cm, upper circumference 3039 cm, lower circumference 2023 cm, suitable for individuals under 100 kg