adidas F50 Match Kids' Football Shin Guards, Gray and Black, KE5206. These adidas kids' and juniors' football shin guards provide protection during play. The Ergo-Flex construction conforms to your foot for freedom of movement. The SoftFoam Comfort System absorbs shock, while Shell-Tec Fit with ankle protection adds security. Adjustable Velcro straps ensure a secure fit. Specifications: Shell: 80% polypropylene, 20% recycled polypropylene, Shell-Tec Fit System, Ergo-Flex Construction, SoftFoam Comfort System, Adjustable Velcro closure at the front, Ankle protection