The US Air Force is seeking to procure Chem-Bio Structural Boots. The solicitation is for a total small business set-aside, with a NAICS code of 316210. The boots must meet specific requirements, including being made in the USA, having an aluminized radiant shield, Kevlar thermal felt, and a Crosstech Moisture Barrier. The contract will be awarded to the responsible offeror whose offer is most advantageous to the government, considering factors such as technical capability and price. • The boots must be new, in box, from a factory authorized purveyor with full factory warranty. • The boots must contain an aluminized radiant shield, Kevlar thermal felt, a Crosstech Moisture Barrier, and Cambrelle liner fabric. • The boots must have a steel toe, full steel bottom plate, and ladder shank. • The boots must meet the requirements of NFPA 1971 and NFPA 1992. • The offeror must be registered in the System for Award Management (SAM) and have a valid CAGE code.