[]: 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 with anti-collision design to effectively disperse impact force. High-stretch material conforms to leg contours, providing compression and balanced support 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]: 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