Retention system is Double D-ring. A clear coat finish to protect paint and graphics. This helmet model meets or exceeds DOT FMVSS-218 motorcycle helmet safety standards. DOT FMVSS No. 218 Certified DOT FMVSS No. 218 Certified AFX North America Inc. is a family-owned and operated manufacturer of motorcycle, ATV, scooter and snowmobile helmets. Established in 1996, the Cerritos (CA, USA) and London (ON, Canada) based company has enjoyed exceptional growth and currently stands as one of the top helmet suppliers for the North American market. DOT FMVSS No. 218 Certified