Ergonomically engineered to help optimize your body's alignment, natural movement & energy; A pocket of high-rebound impact-reducing Dynamicush cushioning is hidden in the rubber outsole maximizing comfort in flat styles; Anatomically contoured EVA-foam footbed diffuses pressure & gives natural arch support; Slim fit; Grip level 1 - everyday use/road tread; Brushed-metal bow ends - 100% recycled zinc