The world's toughest shoe for running the world's toughest long-distance trails. Revolutionary graphene-enhanced rubber delivers the world's toughest grip on hard-packed trails, while next-generation underfoot technology strikes the perfect balance between comfort and responsiveness. New super-strong materials give high levels of durability and breathability to the upper of a 260g shoe that is biomechanically designed to enable the natural movement of the foot. Kevlar aramid fiber is used in the rear materials of the upper. The TERRAULTRA G 260 designed so you can run forever. DuPont and Kevlar are trademarks or registered trademarks of E.I. du Pont de Nemours and Company.