Synthetic leather upper Slip-on construction IMEVA midsole IMEVA outsole The Cool Cat2.0 BX pink/ rose gold slide from Puma. gets even cooler. In this 2.0 rendition Puma refreshed the modelâ€s footbed design and added in an even more responsive outsole and strap, all designed specifically for a better, comfier fit. Easy slip on stying with a IMEVA midsole for even more cushioning and comfort.