Design: Engineered mesh upper for a comfortable, breathable fit Optimized for a wide range of foot strikes and patterns In-Shoe Comfort: Built on the perfect combination of NITROFOAM(TM) - an innovative nitrogen infused foam offers maximum energy return - and PWRPLATE technology Durability & Traction: Rubber outsole ensures surefooted traction Additional Details: Upper is made with at least 20% recycled materials Stack Height: 39mm/29mm Approximate Weight: 250g Heel-To-Toe Drop: 10mm Recommended for: neutral pronators