Specifications include, but are not limited to: Vendor Contract for Firefighting Helmets (Cairns 880 and Cairns 1044) for a three (3) year period from the date of award with two (2) options to extend for additional one (1) year periods upon mutual agreement. FIREFIGHTING HELMET (CAIRNS 880) – NO SUBSTITUTES ALLOWED. FIREFIGHTING HELMET (CAIRNS 1044) – NO SUBSTITUTES ALLOWED. MSA Cairns 880 Traditional Fire Helmet with Goggles, Black, Economy Flannel Liner, Nomex Earlap, Nomex Chinstrap W/ Quick Release, Lime/Yellow Reflexite, Tetrabar, 6” brass carved/formed eagle. Helmets manufactured in accordance with this specification are designed to mitigate adverse environmental effects to the firefighter's head while providing the specifying authority with what are, in their opinion, essential requirements.