Design: FLEXWEAVE(R) woven textile upper is ultralight but does not sacrifice the durability your training requires New midfoot ventilation panel allows greater air flow Ultimate stability comes from the innovative Lift and Run Chassis system Lace closure In-Shoe Comfort: Floatride Energy Foam cushions every stride Durability & Traction: TPU heel clip supports multidirectional movements Full rubber outsole Additional Details: 7mm heel drop