World Athletics-approved race spikes built to blaze long-distance track races. See how they run. Materials & Transparency Materials Recycled content: - 100% recycled upper base material Supplier Transparency Diamond, Vietnam Key features - Weight: 124g - Long-distance track spikes developed with OAC athletes - Reduces impact as you race - CloudTec® cushioning, Helion™ HF hyper foam and Pebax® - Race-legal elite energy return - Fiberglass-nylon Speedboard® redefines forward motion - Gain traction with six removable spikes on a plate grip - Contoured fit and enhanced breathability - Single layer upper keeps things light