Rockhard Lynard Skynard Full Face Street Motorcycle Helmet - Size Small S Advanced composite fiberglass/Kevlar /carbon/Spectra core. Blend of materials creates a strong, light, energy-absorbent, and impact-resistant design Multiple adjustable vents for customizable airflow. Shell's design creates a vacuum effect, drawing hot air away from the head Removable, washable liner for ease of cleaning and care Safety standards meet and exceed SNELL and DOT