Like new- worn once Features Lightweight Midsole Cushioned midsole with high-rebound 100% PEBAX® for comfort. Responsive Built-in, flexible nylon plate acts as a springboard and gives excellent energy return. Breathable Upper One-piece engineered mesh upper for breathability. Specifications Weight MEN'S 9 / WOMEN'S 10.5 IS 9.5OZ / 299.3G Stack Height 22.5/31 Heel-To-Toe Drop 8.5MM Upper Material ENGINEERED MESH Midsole Material 100% PEBAX® Outsole Material RUBBER