This Marana Kids was developed to be the most durable cupsole in skateboarding, and its lightweight, super comfortable STI Evolution Foam midsole enhances cushioning and won't pack out. It has a Pro 1 polyurethane footbed and full-length flex grooves in the 400 NBS rubber outsole for flexibility. The Marana Kids' fused-on injected rubber toe cap makes it super hard to wear through. In fact, Ryan Sheckler said they are "the longest lasting shoe I've ever skated!