DescriptionReduce the pain when collision, provide the softest protection for your leg. Itwill help you in a variety of sports occasions do not hurt the calf,such as climbing, running, playing football and so on, many outdoorsports are suitable, with it, can reduce the possibility of injury whenyou exercise, let your family and friends also more assured.Features-Material:polyester fiber -SizeXL:30.00X16.00X1.00cm/11.79X6.29X0.39inSize L:28.00X15.00X1.00cm/11.00X5.89X0.39in -Anti-skid design, stable and fixed, not easy to slip. -Honeycomb anti-collision, effectively slow down and disperse the impact. -Hygroscopic and sweat-dissipating, quick-drying fabric fresh and breathable. -Prevent muscle cramps and reduce muscle fatigue. -Light and easy to receive, versatile.