FOREVERRUN NITRO⢠ushers in a new era of stability, blending responsive NITRO⢠foam cushioning with enhanced support from the RUNGUIDE SYSTEM. The upper is water repellent and reflective, keeping you warm, dry, and seen in the dark months of winter. Run Forever in FOREVERRUN. FEATURES & BENEFITS RUNGUIDE SYSTEM: Firm density guide rail designed to keep your foot aligned and centred through each stride DUAL DENSITY NITROFOAMâ¢: A soft internal layer of our innovative Nitrogen-infused foam technology provides cushioning while a firmer layer surrounding the shoe provides stability where you need it to support your stride Regular fit Water-repellent mesh upper Stack height: 36mm/26mm Weight: 272g (UK8) Heel-to-toe drop: 10mmâ Recommended for: overpronators. Visit our page to learn more about our black PUMA Foreverrun Nitro⢠Wtr Running Shoes Women, Black/Glacial Grey/Fizzy Apple. Womens > Shoes > Running Shoes