Projekt Norweski - Not exactly mechanized infantry refference - Norwegian army CBRN (Chemical Biological Radiological and Nuclear) suit with AVON FM12 Gas mask. Hot like hell, obviously. Photos to right are ref. #
My Avon FM-12 gas mask, dual-port variant, produced in 1996. It is outfitted with the original Avon tinted anti-flash outserts and the Avon GPCF-50 filter (General Purpose Conformal Filter). : r/gasmasks