1. Flexible polyester fabric, sweat-absorbent and breathable, providing comfort. It has good elasticity and wear resistance, effectively wrapping the calf muscles and keeping the skin dry. 2. An independent honeycomb-shaped cushioning and shock-absorbing structure, which is light and can effectively disperse the impact force. The high-elastic material can fit the foot shape, effectively compress and balance the force on the legs, and provide comprehensive protection for the calves and tibias. 3. The quick-drying fabric is fresh and breathable, effectively keeping the feet dry and comfortable during sports. It helps with sweating during strenuous exercise and protects the feet from ultraviolet rays. [Protective effect]: Suitable for people suffering from or wanting self-protection against the following diseases: stubborn calf injuries, cramps, calf pain, calf strains, tendon pain, arthritis, tendinitis, stiffness, muscle soreness, post-operative recovery, etc. 4. Protect yourself - This football sleeve is very suitable for football, running, tennis, squash, gym workouts, hockey, sports, walking, weightlifting, etc. 5. Our after-sales service team consists of experienced, professional and responsible personnel. They will do their best to solve your problems and let you feel our sincerity and dedication. Buying our products means choosing peace of mind.