"The FuelCell Rebel v5 was built to look and feel fast. With its streamlined, race-inspired mesh upper and bold midsole geometry, this everyday trainer boasts a modern style that inspires, surprises, and confidently stands out ahead of the pack. Incredibly lightweight, and equipped with FuelCell midsole technology, its blend of PEBA and EVA foams provide a responsive and energetic underfoot that can easily transition from long, steady runs to something swifter and more spontaneous. FuelCell foam delivers a propulsive feel to help drive you forward Even more foam underfoot than its predecessor Geometric midsole extends wider and stacks higher than predecessor Redesigned outsole with more rubber at the forefoot Redesigned heel and tongue bring added comfort for fast miles Reflective detailing 227 grams (8 oz) PEBA/EVA foam blend provides durable, lightweight cushioning and fast underfoot feel An engineered mesh upper provides lightweight support and breathability FantomFit upper offers ultra-light bonded support"