Wildland Fire Helmet, Cap, Lime-Yellow, Thermoplastic Shell Material, Fits Hat Size 6-1/2 to 8, Nomex(R) Postman Slide Chin Strap, 6-Point Sure-Lock(R) Ratchet Suspension, Standards NFPA 1977-2005 and ANSI/ISEA Z89.1, Type I, Class E&G