SHOES WITH ENERGY-RETURNING RESPONSE AND LONG-LASTING CUSHIONED COMFORT. Energy-returning response and plush cushioning join forces to deliver a powerful ride with long-lasting comfort in these men's running shoes. boost™ absorbs the force from your touchdown and releases it at push-off to propel you forward, with superior cushioning from start to finish. A lightweight, breathable upper gives these shoes a supportive second-skin fit, and a gridlike outsole flexes to adapt to the individual way your foot hits the ground. Features: Runner type: neutral boost™ is our most responsive cushioning ever: The more energy you give, the more you get Engineered mesh on upper is a lightweight, breathable second skin providing a supportive, comfortable fit Heel counter with mesh overlay STRETCHWEB rubber outsole flexes underfoot for an energised ride Weight: 261 g (size UK 5.5) Midsole drop: 10 mm (heel: 30 mm / forefoot: 20 mm) Textile and synthetic upper / Textile lining / Rubber outsole