The ASICS® Women's Gel-Flux Running Shoes are made with synthetic leather and mesh uppers and provide optimal shock absorption with rearfoot and forefoot GEL® cushioning. The Guidance Trusstic System® combined with the contoured midsoles help control torsion, while Guidance Line® technology in each shoe enhances gait efficiency. The SpEVA® midsoles offer great bounce-back and help prevent midsole breakdown. Lace up. 9.6 oz. per shoe.