The difference between winning and losing the fastest closed aero road helmet when team mtn qhubeka requested an extremely light weight helmet for sprinting mets engineers set out a wish list to achieve what seemed to be the impossible the met manta helmet has an extremely aerodynamic and low profile shape that provides unsurpassed performance in the wind tunnel with a saving of 10 watts at 50kmh whilst the strategically placed airflow converge vents and naca crown vents ensure your head