An airmesh upper brings high breathability and comfort against the skin whilst the wave plate midsole offers energy return with a high level of spring and an el8 midsole compound brings the rebound of energy x10 to the outsole means unparalleled traction and durability features airmesh upper dynamotion fit wave plate midsole el8 midsole compound x10 outsole smoothride technology bluesilvyell 10 44