Stores reference 22C/1389, size 1. A rare early blue cloth inner flying helmet. The Type 'F' was the first helmet designed for use with the MK.1 Bonedome and predates the later and far more common Type 'G'. The blue cloth helmet shell is a little soiled and has a tiny hole at the back, otherwise in very good condition. No inner pads, or wiring etc. Chinstrap absent. A good '+' used example of this rare early variant. Stock code H25085.