The Triumph ISO Running Shoe is the plushest, most cushioned running experience Saucony has ever created. The revolutionary ISOFIT upper morphs to your foot for a sock like feel, providing superior comfort and allowing the shoe to move in perfect harmony with the foot. In the midsole, Saucony's proprietary PWRGRID provides 20% more cushioning than the previous version for enhanced impact protection and improved durability. All of this technology is engineered into the shoe while maintaining fluid transitions and minimizing weight. At just 10.3 oz., the Triumph is engineered to make you want to run. ISOFIT creates a dynamic fit and adapts to the shape and motion of the runner's foot Open toe box design further enhances plush feel and delivers superior comfort Lightweight Support Frame adds structural integrity Reflective synthetic at collar enhances visibility High elasticity sockliner SRC Impact Zone provides durable shock absorption at impact Removed shank to save weight and provide smoother ride XT 900 carbon rubber outsole offers exceptional traction and high wear properties Saucony's proprietary IBR is 33% lighter and more cushioned than standard blown rubber Weight: Size 8: 9 oz.