Russian GSh-6 inner flying helmet

1967 SOVIET HIGH ALTITUDE GSH-6 HELMET (COSMONAUT TRAINING) Green cloth helmet with chamois inner 'donut' earpieces and integral wiring loom, 5-pin connector plug, receivers and boom microphone. These were worn inside the GSh-6 series pressure helmets and the externally mounted black leather pads located in grooves within the outer hard helmet's lining to ensure a good fit.