Comfort in every step and at every speed, the PUMA Velocity NITRO 3 is your perfect training partner. Designed for all-distance running, the Velocity NITRO 3 is the most versatile, cushioned and comfortable trainer for each and every type of run. This neutral shoe offers the smoothest of running rides thanks to a slightly higher stack height and our innovative NITRO midsole, which is injected with Nitrogen to provide cushioning and responsiveness like never before.