Product description built on the iconic supernova running last for extreme comfort the adipower sport boost 2 is a marvel of modern design and technology featuring boost midsole foam in the heel for greater walking comfort and energy return the shoe is constructed with soft eva foam in the forefoot for superior comfort a lightweight and flexible one piece upper with bonded pu welds for added protection durability and stability and an advanced puremotion tpu outsole with adiwear traction f