Nike Mens Shox R4 White/ Gold Sneakers Size 10 Athletic (Rare)- No Box New in box with tags Why are Nike shoxR4 so expensive.? The Nike shox R4 shoes are in limited quantities. Nike is a well-established brand with a reputation for quality and production on the R4 Shox stopped during the 1990's 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 on