Stores reference 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 now have the additional benefit of improving the look of your helmet. A little grubby/worn but in good, flexible condition and complete with Air Ministry markings. One pair only. Rare to find RAF issue examples - most are RCAF. Stock code HCU1.