Th FuelCell shock absorption foam used in these shoes has a responsive feel. In addition the midsole boasts a TPU plate. TPU gives a more forgiving feel than carbon plates, meaning this model is a great choice when you want to take your first steps in the world of shoes with power transfer plates. For enthusiasts and experienced runners, this shoe is a great jack of all trades, as it works well both during intense intervals and longer runs. - Narrow last both in the front and heel areas - Breathable surface fabric - Drop: 6 mm (heel stack 31 mm and front 25 mm) - Midsole with FuelCell absorption, combining EVA and TPU foams