Porsche Design Adidas Bounce S4 Leather Driving Fashion Running Sneaker - Mens Leather BOUNCE suspension system returns energy for a smooth, stable run, and offers cushioning and elasticity. Fine premium leather upper. Seamless lining for increased comfort and less skin irritation. Built using high-tech carbon plate from auto industry and high-tech polymers. Enhanced suspension with evolved leaf spring system for optimised cushioning. Decoupled outsole for a smoother, more comfortable ride