LIMITED NIKE SHOX R4 Leather Rainbow/Red,Bue,Green Size 10 Athletic Shoe- Mens Description RARE NIKE - Leather Sneakers Size 10 Athletic (Rare)- New (Box not included) Fiber-spring sole Nike Shox is a shoe feature first released by Nike in 2000 that is incorporated in several of their flagship sneakers. The shoe design includes a support system feature, which is an arrangement of small hollow columns in the midsole supporting the shoe's heel, which are made primarily with polyurethane. There are different formations of the shox technology, but most models include four circular columns in a square formation to provide cushioning. Later variations of shox models added