It´s all about a comfortable ride with the Magnify NITRO„¢, and this season we´ve retooled the model with an engineered knit upper and even more NITRO„¢.Constructed with our thickest piece of nitrogen-infused NITROFOAM„¢ in the midsole, this shoe is built for long runs where comfort is your top priority.We´ve even tossed in an extra amount of rubber placements for added durability while you log miles.Features & Benefits:NITROFOAM„¢:Advanced nitrogen-injected foam designed to provide superior responsiveness and cushioning in a lightweight package.PUMAGRIP:Durable performance rubber compound designed for all-surface traction.Engineered knit upper.Moulded heel collar for enhanced heel fit and comfort.NITRO„¢ foam midsole.PUMAGRIP rubber outsole.Rubber placements on the heel for durability.Best for:Neutral pronation.Cushioning level:Max.Shoe weight:245g (for size UK 4.5).Experience ultimate comfort with Magnify NITRO„¢ 2.An engineered knit upper, a full midsole of NITROFOAM„¢ cushioning, and added durability provides everything you need on your next long run.Composition:.