Synthetic leather upper Slip on construction Injection molded Ethylene vinyl acetate midsole Injection molded Ethylene vinyl acetate outsole Debossed PUMA No. 1 Logo across the strap The Cool Cat Gets Even Cooler. In This 2.0 Rendition Puma Has Refreshed The Model’S Footbed Design And Added In An Even More Responsive Outsole And Strap, All Designed Specifically To Fit The Foot.