Featuring a softer core, the PUMA Foreverrun Nitro Futrograde Road Running Shoes maintain stability with their firmer rim to provide ultimate support and responsiveness. PWRTAPE upper with engineered mesh details. Textile lining with removable insole. Responsive NITRO foam cushioning. RUNGUIDE rail to keep your foot aligned. Lace-up closure. Padded collar and regular tongue. Asymmetrical heel counter. PUMA Formstrip on the lateral side. Round toe design. Lightweight NITRO midsole. Durable PUMAGRIP performance rubber outsole.