Arai RX-Q DNA Helmet Designed for the street without giving up the benefits of a racing helmet. Completely new helmet based on Corsair V shell Same wider eyeport opening as Corsair V Same face shield as the Corsair V Intermediate Oval Fit (same head shape as Quantum 2) Slightly different feel due to new cheek pads. New cheek pads come down further and cradle the head better. Made of a different density material which results in an extremely comfortable and quiet helmet Advanced ventilation Smaller, More Aerodynamic shell shape Hyper-Ridge circles lower shell to improve strength and aerodynamics Retractable chin spoiler Emergency Cheek Pad Removal system along with removable neck roll One piece bottom edge trim Race helmet for the street 5 unique size shells (XS, S, M/L, XL, XXL). Weight 1597 grams (3 lbs. 8-1/4 oz) Meets or exceeds SNELL 2010 and DOT specifications