Arai RX-Q Helmet The Arai RX-Q (the round-oval shaped cousin to the Signet-Q) is the product of a racing lineage going back to the late 1970s. Since Arais inception, their RX Line of helmets has set an international standard for rider comfort and safety. The RX-Q is perfection incarnate, blending modern materials and safety features with decades of knowledge and racing heritage. The result are features like an eyeport designed to maximize peripheral vision, an aerodynamically tuned outer shell and a beautifully crafted and ultra comfortable liner. All these features, combined with industry-leading protection, provide riders with an unmatched level of safety and comfort. Features: 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, SM, MD/LG, XL, 2XL) Snell M2015 and DOT NOTES : The Pearl Black color listed for this product has a very subtle metallic flake whereas the Diamond Black color has a more pronounced metallic. Also, helmet does not ship with the Pinlock face shield as shown. Pinlock face shield sold separately.