[HIGH QUALITY MATERIAL]: Elastic polyester fabric, good sweat, comftable breathable. Good elasticity, good abrasion resistance, effective wrapped calf muscle keep the skin dry [FULL PROTECTION]: Independent honeycomb padding anti-collision design, which is light can effectively disperse the impact fce. High stretch material can fit the contours of your legs. Effectively compress balance the fce on the legs. .It can provide comprehensive protection f the shin calf. -rays [Protective effects]: people who suffer from the following conditions who want to protect themselves against them. Stubbn Calf Injuries, Cramps, Shin Splints, Calf Strains, Tendon Pain, Arthritis, Tendinitis, Stiffness, Se Muscles, Surgical Recovery Me [APPLICATION SCENARIO]: Protects it - the football sleeve is ideal f soccer, running, tennis, squash, gym, hockey, spts, walking, weightlifting, Size or total length upper circumference or lower circumference or suitable weight M or L or XL Total length: 29 or 30 or 31 M: 26-32 or 16-19 L: 28-34 or 18-21 XL: 30-39 or 20-23 M: f those under 130 catties L: f those under 150 catties XL: f those under 200 catties.