Arai Pro Shade Shield System for RX-Q Defiant Corsair V Signet 2 Vector 2 Official Arai Product. Part Number: 810479 Model Fit: See Description With the new PRO Shade System, Arai now introduces a (patented) revolutionary solution to a well-known problem: sun glare! It is nowadays quite common to use a retractable sun-visor that is situated between the helmets outer- and inner shell to protect against sun glare. However, its Arais opinion that this construction could affect the performance of a helmet during impact.