The lightest Velocity yet, the PUMA Velocity Nitro 4 in Puma White Speed Blue is a versatile trainer designed for every runner and every run. PUMA have updated the midsole on the Velocity Nitro 4 from the previous dual foam build to a single NITROFOAM construction which makes it lighter, more responsive and faster feeling underfoot. A new mesh upper improves breathability and stretch, reinforced with PWRTAPE where needed it gives extra locked-in fit and durability. In the outsole PUMA have used the durable compound rubber PUMAGRIP to give multisurface traction you can trust. Stack height 36-26mm, Heel offset 10mm. BREATHABILITY: Premium engineered knit material engineered for breathability and stretch, reinforced with PWRTAPE for durability and lockdown. NITROFOAM: Innovative nitrogen-infused foam technology that uses premium raw materials to provide maximum energy return. PUMAGRIP: Outsole is made of durable rubber compound for multisurface traction. The upper of the shoes is made with at least 30% recycled materials. Fit: Regular. Toe type: Rounded. Fastener: Laces. Recommended for neutral pronators.