Since 1971, HJC has specialized in manufacturing motorcycle helmets exclusively. The combination of this extensive specialized manufacturing experience, innovative ideas, and reasonable pricing resulted in HJC's success in worldwide markets. It is HJC's continual goal to provide high quality, comfortable, and reasonably priced helmets to motorcyclists around the world. Advanced Polycarbonate Composite Shell: Lightweight, superior fit and comfort using advanced CAD technology. Integrated SunShield Smoke-tinted Shield: Deploys easy to slide up or down. Nylex® Interior: Plush, moisture-wicking material with removable and washable liner. Nylon Strap D-Ring Retention System. Weight: 2.45 pounds / 1110 grams (approximate, based on Small / Medium). Standard Certifications: DOT. SunShield Visor System (HJ-V4):