These Speed Cat SD Trainers Grey/Red sneakers retain the original style with new modern enhancements. You'll see that the each pair of Puma Speed Cat SD Trainers has a very unique look, even though they all share the same parts. Take that Puma Speed Cat SD Trainers Grey/Red, for example, the new colorways which is combined grey with red has greatly attracted customers to buy Puma. EVA midsole for shock absorption. OrthoLite sockliner provides low-profile cushioning. Dual mesh textile provides lightweight and breathable support. EVERUN Topsole construction for responsive energy return with every step. Integrated Segmented Crash Pad absorbs the shock of impact and creates a smooth running stride.