Puma Bolt evoSPEED Electric v3 running shoes help you achieve lightning-fast speed with optimum support and comfort. A soft, suede lining allows them to be worn comfortably with or without socks. The aerodynamic upper will help get you to the finish line in no time. A mock Usain Bolt signature is featured on the lateral side. Use the Puma sackpack for easy storage. Upper: Soft, aerodynamic Clarino® synthetic upper hugs the foot and locks it down for optimum support. Soft microfiber and suede lining ensures comfort for barefoot wear. Suede tongue tacked down at the medial side provides a secure fit. Lace closure provides an adjustable fit.Midsole: Breathable, die-cut EcoOrthoLite® sockliner offers optimum fit and comfort. Full-length EVA midsole offers cushioning.Outsole: 8-Pin full-length Peebax® Spike Plate controls torsion and propulsion. EverTrack rubber provides durability in high-wear areas.