Pearl iZUMi Men's Road N 2 v4 Running Shoe, 57% Rubber/43% Textile Imported Rubber sole Spring/Summer 2025 NEW Seamless Upper Technology adds lightweight structure and upper integrity for a foot conforming fit, 1:1 Energy Foam in heel cushions upon initial ground impact NEW dynamic offset-shaped midsole has been biomechanically tuned to create the smoothest under foot experience to date, Dynamic Offset: 4mm at initial contact to 7.5mm at mid-stance OCTANE EVA is a NEW lightweight, durable midsole compound that delivers a soft and energetic feeling to your run Blown rubber in the forefoot and carbon rubber in the crash pad combine for premium cushioning and abrasion resistance, Heel Stack Height: 26mm (includes midsole, outsole and EVA strobel board)