Snell SA2025 Certified, made of Fiber Reinforce Plastic(GFRP) composite shell, Double D-ring equipped, more lightweight, and higher safety. Compatible with HANS/HNR M6 Threaded Inserts(not included), convenient for you to install Head&Neck Support devices to protect your head and neck from getting hurt when participating in auto racing sports. 40 MM sunshade film on the top of the visor helps to reduce giddiness and dizziness caused by the sun/light while doing car racing acclivities. High-density Expanded Polystyrene (EPS) fire retardant inner pads enhance comfort and safety when it happens to an accident. Tear-off posts button on the visor allows installing tear-off posts on the visor so to ensure a clear view according to the racer’s needs. IMPORTANT: This helmet is manufactured for automobile racing and is not designed for use on public streets, roads, or highways. This helmet meets all requirements of Federal Motor Vehicle Standard (FMVSS) 218.