• SM904-51: meets ANSI Z89.1.
• SM904-56: CE EN397 approval.
• Safety helmet with a high density polypropylene shell.
• Soft comfortable 4-point polyethylene with either slip
  or ratchet adjustment.

• SM914-51: meets ANSI Z89.1.
• Same specification as SM904 helmet but without vents.

• SM904-51: meets ANSI Z89.1.
• SM904-56: CE EN397 approval.
• Safety helmet with a high density polypropylene shell.
• Soft comfortable 4-point polyethylene with either slip
  or ratchet adjustment.

• SM914-51: meets ANSI Z89.1.
• Same specification as SM904 helmet but without vents.