Amazon.com | ALTRA Men。Key Features of the ALTRA Men’s Paradigm 8 Wide Road Running Shoe: Wide Fit for Maximum Comfort – Designed with extra room in the forefoot, the Paradigm 8 Wide allows natural toe splay and improved comfort during long-distance runs. Balanced Cushioning™ Platform – Keeps heel and forefoot at equal height (zero drop) for a natural stride, proper alignment, and reduced impact on joints. Altra EGO™ MAX Midsole – Delivers plush, responsive cushioning that combines soft comfort with a lively ride mile after mile. GuideRail™ Stability System – Provides dynamic medial support that engages only when needed, ideal for runners seeking lightweight stability and pronation control. FootShape™ Toe Box – Encourages natural toe positioning, enhancing balance, comfort, and running efficiency. Engineered Mesh Upper – Offers breathable, adaptive support with a secure yet flexible fit that moves naturally with your foot. Durable Rubber Outsole – Ensures reliable traction and long-lasting wear across road surfaces, perfect for high-mileage training. Stack Height: 30 mm Heel / 30 mm Forefoot – A fully cushioned zero-drop platform promoting low-impact landings and a natural running posture. New without box.