Pyramex Ridgeline full-brim hard hat with Graphite finish. OSHA approved. Meets or exceeds the requirements for a Type 1 helmet (Top impact) as outlined in ANSI Z89.1 Class E & G. Fits size 6 1/2 to 8. (Not designed to protect against lateral blows from the front, sides or rear.) Shell-high-density polyethylene. Suspension-various.