The Eva outsole, formally called ethylene vinyl acetate, is the lightest of all of outsoles and contains one of the best shock absorption technologies available today. Available in two versions: flat with low-sole or bold with ultra-light over sole. Following the Manebi best seller, the lace-up espadrille, these new sneakers are designed for both winter and summer.Overnight delivery.Interactive. Comfortable, flexible, and ready for any occasion no matter where in the world it might be. product code: m 4