Surface: Route Recommended for: Running Usage: Intensive Cushioning: Soft Support: Neutral Drop: 4mm Dynamism: Excellent Technologies: Energy Arc: Combines a carbon fiber plate geometry with strategic voids in the midsole, designed to increase stored energy for a greater return. Rocker Profile: For a smooth and natural heel-to-toe transition. Fantomfit Upper: Offers ultra-lightweight support with a seamless design. FuelCell Midsole: 100% PEBA Carbon Plate: Redesigned for improved propulsion and stability, ensuring a smooth heel-to-toe transition. Outsole: Solid rubber, with modifications for optimized grip on various surfaces. Weight: 237 grams (8.4 oz) These are race day shoes designed for moments when seconds truly matter. The propulsive feel of FuelCell is combined with a thin carbon fiber plate, providing superior energy return in a lightweight package.