Cushioning: Lightweight, flexible response. Surface: Road. Jacquard woven upper with thin synthetic overlays provides lightweight support and a seamless fit. Lace-up closure. Thin tongue and padded collar. Breathable fabric lining offers a great in-shoe feel. Molded Micro G sockliner conforms to the foot's shape. One-piece, low-profile Charged Cushioning midsole promotes a lighter, faster feel. Solid rubber outsole over high-impact zones delivers long-lasting durability. S03 =)