Design Soft and stretchy woven upper provides breathability, more flexibility, and comfort Lace-up style for a secure fit In-Shoe Comfort FF BLAST(TM) PLUS ECO cushioning, forming the base layer of the 2-piece midsole foam, adds more bounce with a lower carbon footprint Soft, responsive cushioning reduces the load on the legs, especially during long distance runs Durability & Traction ASICSGRIP(TM) outsole provides a softer feel for better traction during runs Additional Details Weight: 8.8 oz / 250 g Heel Height: 45 mm Forefoot Height: 37 mm