Saucony Kinvara 4 - Men'sBuilding off of the previous versions, the Kinvara 4 offers mixes updated high-performance features with original design elements. This lightweight running shoe features a redesigned FlexFilm upper, which creates a seamless, natural fee. The upgraded heel PowerGrid cushions your step, creating smooth transitions and a comfortable ride. HydraMAX collar lining and XT-900 outsole with triangular lug design provide a comfortable fit that can grip and grab your terrain. Wt. 7.7 oz.