Velocity NITRO 3 from Puma is a Lightweight, Responsive, and Extremely Comfortable Running shoe. Velocity NITRO 3 is made with Puma's Advanced Nitro foam, which Provides Excellent Cushioning while being Responsive and Lightweight. The stack Height has been Raised by 2mm, so it now Measures 36mm in the heel and 26mm in the Forefoot. This shoe Offers a Smooth and Effortless run. The upper is made of a mesh Material like the Previous model, but now with Pwrtape to Increase Stability in the upper.