The world's toughest shoe for the world's toughest workouts. Revolutionary graphene-enhanced rubber delivers the world's toughest grip in the gym, while new midsole technologies and upper materials raise the bar in terms of training-shoe comfort and durability. Weighing just 290g, the multi-directional flexibility built into the shoe allows you to adapt and react, no matter how varied the workout. DuPont and Kevlar are trademarks or registered trademarks of E.I. du Pont de Nemours and Company.