Engineered mesh upper with a heel-to-toe drop of 10mm. Shoe weight is 267g (UK size 8). Recommended for neutral pronators. Features PUMA branding details. The Electrify NITRO™ 4 for women seamlessly blends NITROFOAM™ and PROFOAMLITE for a responsive ride with cushioning. It has a breathable mesh upper and PUMAGRIP rubber for unbeatable traction, designed to propel you forward, mile after mile. Visit our page to learn more about our sea glass.