3M AO Safety/3M Tekk 45966 XLR8 Siby-Point Pinlock Hard Hat, Green high density polyethylene(hdpe) High density polyethylene shell with a lightweight design 8 point pin lock fit suspension Cushioned brow guard and vented headband Height adjustment Meets ANSI Z89.1 - 1997 Type 1 Glass C,G & E safety standard and is OSHA compliant