The BLÜCHER® CBRN Protective Undergarment      Ensemble using SARATOGA® filter material consists of a shirt or jacket and a pair of pants type trousers and a separate balaclava type hood. When worn as a complete ensemble, the combination covers and protects the head and the entire body leaving an option for the user to select complementary respiratory and hand protection. As a stand along garment, this concept provides protection against CWAs in vapour form.