The Saucony Grid Excursion TR 4 is a versatile trail running shoe that is perfect for anywhere your outdoor adventures take you. Supportive synthetic upper helps fend off unwanted debris. HRC™ Strobel Board. IMEVA midsole with non-visible Grid® system. XT-600® outsole with aggressive Triangular Lug™ design delivers great traction on and off road. Wt. 11.6 oz.