The Saucony ProGrid Jazz 12 running shoe offers incredible cushioning for the neutral runner. Provides a smooth and seamless transition from heel to forefoot. Air mesh upper with forefoot lockdown. Premium sockliner, HRC® strobel board. Heel ProGrid™, CMEVA midsole. SRC impact zone. XT-900™ blown rubber outsole with triangular lug design. Wt. 9.2 oz.