The DEVIATE NITRO 2 makes our award-winning performance trainer even better. This max cushion & max performance running shoe makes running faster easier. New in this update is full-length NITRO ELITE foam for the top layer, which along with NITRO, sandwiches a re-engineered PWR-PLATE. The asymmetrical platform is lighter and works better with your body"s natural biomechanics. The heel rubber is now PUMAGRIP ATR for even more durability. The upper adds padding and grip around the ankle to ward off any heel slip, and the new material is breathable and dynamic. Deviate V2 is lighter than it s predecessor and with a great fit, foam, and plate ready to cushion and propel with improved efficiency for all distances _ from shorter runs to marathons and even ultras.