Design: A lightweight mesh upper creates an airy feel from the starter's pistol to the finish line Lace closure allows for an easy on/off Contains at least 20% recycled content In-Shoe Comfort: Layer of Lightstrike Pro foam above the spike plate offers maximum cushioning and helps reduce fatigue in the legs Durability & Traction: Glass fiber-infused outsole plate that provides an energy-efficient platform Six-spike pin configuration with Sharkskin grip Additional Details: Weight: 6 oz Ideal for 3K-10K events Midsole drop: 0 mm (heel: 19 mm / forefoot: 19 mm)