By Lillywhites. Size 2. 1943 dated. Broad arrow marked. Very coarsely 'knitted' heavy string vest with broad cotton shoulder straps. These were issued to some aircrews as an escape aid. If needed the vest could be unravelled and plaited to form a strong rope to aid escape. One assumes that for a decent length of rope the escaper would have to use a fellow prisoner's vest.... Very good condition. Labelled/dated. Stock code E16092.