Shox R4 Black and Metallic Silver Sz 11.5 **New in box/box has no lid Making its audacious debut in 2000, the Shox R4 shattered the mold of traditional sneakers with its futuristic look. It combines a silky smooth synthetic upper with fluid ripples and laser perforations, which take style cues from space suits and other astronaut gear. 4 compressive columns lift the heel, offering a stable structure and bona fide bounce. Cloaked in smooth Black synthetic leather with Metallic Silver and hits of Max Orange, this sleek edition takes the R4 even further into the future.