Stores reference 22c/1390. Size 2. An extremely 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 in good condition, lightly faded/soiled and with two small burn (?) holes at the rear. Fully wired with flexible loom, receivers and NATO plug. Good (soiled) soft leather earpads. Note the single row of oxygen mask press studs. A good used example of this rare early variant. Stock code H22128.