Wear the ASICS® Men's Gel-Flux® Running Shoes in your next race. The shoes feature SpEVA® midsoles for bounce-back and to reduce midsole breakdown and DuraSponge® outsoles made of blown AHAR® rubber compound. Rearfoot and Forefoot GEL® cushioning systems attenuate shock, while synthetic and nylon mesh uppers offer breathability. Guidance Trusstic System. Lace closures. 10.6 oz. per shoe.