SHOCKINGLY COMFORTABLE. The Nike Shox R4 features durable synthetic leather that has perforations for ventilation. Neon colors highlight the crazy cushioning of Nike Shox columns. Benefits Nike Shox cushioning feels bouncy. Perforations in the synthetic leather help keep your foot cool. The Waffle pattern on the sole gives you traction. Style: CW2626; Color: Black/Anthracite/Metallic Silver/Volt; Gender: Male; Age Group: Kids