Just like the original, the Mizuno Wave� Sayonara 2 running shoe is all about delivering an everyday fast running experience in a lightweight, versatile execution. Ideal for race day or fast training, this women's lightweight athletic shoe features an updated mesh and synthetic upper with breathable, super-soft materials that offer exceptional forefoot hold and toe off. The innovative, full-contact U4ic midsole delivers resiliency and a smooth ride at a weight that's considerably lighter than that of traditional midsoles. The Mizuno Wave� Sayonara 2 athletic shoe is finished with a G3 Sole, an outsole that provides superior grip at a reduced weight, making the Mizuno Wave� Sayonara 2 shoe an ounce-per-ounce performance standout.