Updated with a wider midsole for a more supportive feel that can be worn by over pronators and neutral runners alike, the PUMA ForeverRun Nitro2 in Puma WhiteSpeed Blue is a structured daily trainer designed for high milage. The PUMA ForeverRun Nitro2 uses nitrogeninjected NITROFOAM through the midsole to provide lightweight cushioning with extra spring.The RUNGUIDE SYSTSEM helps to control gently your stride through the most efficient gait while up top, an engineered mesh upper offers breathability and durability.PUMAGRIP rubber in the outsole provides excellent traction whatever the conditions, while also enhancing durability, so you get the most miles out your shoes. NITROFOAM Advanced nitrogeninjected foam designed to provide superior responsiveness and cushioning in a lightweight package PUMAGRIP Durable performance rubber compound designed for all-surface traction Regular width Textile upper Lace closure Heeltotoe drop 10 mm Recommended for overpronators PUMA branding details.