The Federal BMX Old Skool, a Vans classic upgraded for enhanced performance, features sturdy canvas and suede uppers, elevated sockliners for superior cushioning and impact protection, DURACAP reinforcement rubber underlays in high wear areas for unrivaled durability, and the revolutionary Vans Wafflecup BMX construction that offers the support of a cupsole without sacrificing any of the grip or pedalfeel of a traditional vulcanized shoe. It also includes Vans original waffle outsoles made of a rubber that offers grip and support. VANS WAFFLECUP BMX CONSTRUCTION - A first of its kind in BMX, specifically designed to deliver the best combination of pedalfeel, support, and durability. VANS ORIGINAL WAFFLE Compound - Our classic gum rubber compound is made of a rubber that offers grip and support. UNRIVALED DURABILITY - Reinforced DURACAP underlays and are built to withstand daily abuse. Size 4.5