Details: The updated, performance-driven New Balance RC1600v2 tops the charts in ultralight racing flats. Designed for speed work, this men's racing flat boasts a supportive design with a FantomFit upper, consisting of a honeycomb patterned synthetic and breathable mesh upper and a thin, airy midsole with strategically placed rubber underfoot for lightweight traction. Streamlined, incredibly lightweight construction offers the advanced track runner a weightless feel, with a minimal REVlite® RC foam cushioned midsole. The New Balance MRC1600v2 athletic shoe sits on a Dyna-Ride blown rubber outsole with micro spiked grip for enhanced traction. Dyna-Ride blown rubber outsoleFantomFitRacing-specific lastREVlite RCSeamless upper constructionSynthetic and mesh upperWeight: 5.5 oz.Style Number: MRC1600O