Contains at least 20% recycled content Glass fiber-infused outsole plate Imported The countdown to the world's greatest sporting event has begun. Designed for races of 3K to 10K, these adidas running shoes have a glass fiber-infused outsole plate that provides an energy-efficient platform. Lightstrike Pro provides superlight cushioning plus energy return for next-level speed. A lightweight mesh upper creates an airy feel from the starter's pistol to the finish line. This product features at least 20% recycled materials. By reusing materials that have already been created, we help to reduce waste and our reliance on finite resources and reduce the footprint of the products we make.