Nike Mercurial Lite Shinguard Green/Volt/White Medium Slip-in shin guards Durable, low-profile shells with bonded dense foam backing absorbs impact while providing comfort against the skin Nike Guard Lock sleeves provide a secure, strapless fit Anatomical left and right design built to fit the contour of the leg for enhanced comfort Materials: GUARD: 69% K-resin / 31% EVA. SLEEVE: 65% polyester / 19% rubber / 16% spandex