The game-changing comfort you love just got even better. This second generation features even more cushioning for a seriously plush and comfortable ride. The upgraded, resilient ZipFoam(TM) midsole delivers an even softer, lighter, and more energetic underfoot experience. Up top, the recycled engineered mesh provides a secure, well-ventilated fit. On the bottom, a new outsole design features strategic rubber zones to enhance flexibility and increase traction. Max your miles, your stride, and your flow with Atmos 2-delivering comfort that lasts and cushioning that keeps up. Specs Best For:Daily Running, Walking Stack Height:40 mm (heel) x 35 mm (forefoot) Heel to Toe Drop:5 mm Weight:9.9 oz (M9) Cushion: Max Underfoot Feel: Plush Support: Neutral