Puma evoSPEED Prep Sprint 3 Running Spikes Bolt out of the blocks. Sprint like the world's fastest person with the PUMA evoSPEED Prep Sprint 3 spikes. This full-length, 8-spike Pebax plate is the same that Usain Bolt wore during his record-breaking career. Synthetic Leather Upper The upper of the Puma evoSPEED Prep Sprint 3 Spikes has been created with a lightweight, synthetic material that hugs and locks down the foot for optimum support and comfort. A seamless upper construction minimises irritation and reduces possible friction points within the shoes, allowing for barefoot usage. A flat suede tongue and microfibre lining further reduce chafing for a comfortable next-to-skin feel. Completing the upper is a traditional lacing system that helps to lock the midfoot to prevent excessive movement. Lightweight Foam Midsole The midsole of these Puma Spikes has been created from a lightweight foam which reacts to each step providing cushioning on landing. This cus