Stores reference 22C/2122. Size 4 Narrow. 1966 dated. By Helmets Ltd. of Wheathampstead. Bonedome worn in conjuction with the type F or G inner helmet that contained the avionics, and to which an oxygen mask could be fitted. The MK.1A is a basic protective helmet in leather lined fibreglass. It has a simple nylon webbing suspension system fitted inside to give a comfortable fit over the inner cloth helmet (can be supplied separately). An anti-glare visor is fitted, comprising a centre rail attachment and mechanism with a replaceable tinted acrylic anti-glare screen. The helmet shell is in very good overall condition with original silver paint finish. There are light scratches/chips but it appears to be free of cracks and stress crazing. The rubber edge roll is near complete and aside from some cracking, in quite good order. Fitted with a very good visor track and tinted visor. The visor mechanism works but is quite stiff. The lining is reasonably clean. Good chinstrap although the removable velvet pad is torn. The helmet comes with the original protective cloth visor cover. Good '+' overall condition. Stock code H25079.