Elevate your workout routine in this running shoe featuring proprietary foam cushioning and a sole designed to support you and propel you forward. 1 3/4" heel; 1 1/2" platform (size 8.5) Speed: transforms impact absorption into propulsive energy with ultralightweight cushioning Cushioning: absorbs impact and distributes weight for consistent, buoyant comfort under each step Synthetic upper, lining and sole Imported