Kabuto Stinger Adult Kamui Street Motorcycle Helmet - Flat Black/Flash Yellow / 2X-Large Category: Sport Touring Shell material: Compact and lightweight Thermo Plastic Shell (T.P.S.) Dual density impact absorption liner Meets and exceeds ECE and D.O.T. standards (2XL is D.O.T. certified only) Wake Stabilizer (Patented) controls airflow around the helmet