This dynamic shield from HJC is coated with metallic compounds in a high vacuum chamber to give it a unique rainbow appearance The coating improves eye protection via its high degree of surface reflection It looks great too This helmet is DOT approved and FMVSS 218 certified for legal on-road motorcycle use in the United States. DOT FMVSS 218 Certified. It is HJC's continual goal to provide high quality, comfortable. And reasonably priced helmets to motorcyclists around the world. HJC HJ-S2 replacement face shield for the HJC Symax II helmet. Eyeglass friendly, optically superior 3D shield provides 95% UV protection. The non-mirrored shields have an anti-scratch coating. HJC RST mirrored shields improve eye protection with an increased degree of surface reflection.