Experience an exhilarating bounce like never before with the Mag Max NITRO™. Boasting an impressive amount of cutting-edge NITROFOAM™ technology, these shoes will effortlessly propel you from one mile to the next, filling your stride with excitement and ease. Around the foot you'll find a comfortable synthetic, deluxe knitted tongue and cushioned heel. ***GRIP protects the precious NITROFOAM™ and provides top-notch traction keeping you steady on your feet. FEATURES & BENEFITS The upper of the shoes is made with at least 20% recycled materials NITROFOAM™: Advanced nitrogen-injected foam designed to provide superior responsiveness and cushioning in a lightweight package ***GRIP: A durable rubber outsole that offers multi-surface traction. Regular fit Stack height: 46mm/38mm Weight: 300g (UK 8) Heel-to-toe drop: 8mm Recommended for: neutral pronators