Puma Deviate Nitro 2 Running shoes Women's The Deviate NITRO 2 - just like v1, only improved. It's the max cushion, max performance running shoe that makes going faster even easier. The update includes NITRO Elite foam for improved responsiveness, a reworked collar to reduce heel slip, and a lighter, asymmetrical base that works better with your body across all distances - be it short runs, marathons, and even ultras.