Stores Ref. 22c/67. Grey coloured sponge rubber cushion inserts. These were fitted inside the earpieces of B-types and other flying helmets with zipped earpieces. They were intended to provide extra soundproofing and have the additional benefit of improving the look of your helmet. A little dusty/grubby but in very good, flexible condition and complete with Air Ministry markings. One pair. Stock code NIV-H.