The ForeverRun NITRO dawns a new era of support and guidance. Targeting specific foot strikes stages through a combination of the RUNGUIDE SYSTEM features, this innovative model takes support to a new level. This shoe performs for all runners but is specifically designed for those looking for the softness of a full NITRO midsole without compromising stability. FEATURES & BENEFITS : NITRO foam: Advanced nitrogen-injected foam designed to provide superior responsiveness and cushioning in a lightweight package, PWRTAPE: Targeted upper reinforcement for support and durability, RUNGUIDE: Firm density guide rail designed to keep your foot aligned and centred through each stride, PUMAGRIP: Durable performance rubber compound designed for all-surface traction DETAILS : Engineered knit upper, Asymmetrical heel counter, Flared rubber outsole, Cushioning level: Max, Heel-to-toe drop: 7.5mm, Best for overpronators, Best for frequent runners