Reproduction standard issue 1/2" (1,27cm) hole pattern cotton helmet net with drawstring, in olive drab number 7 "dark green".Dark green and khaki colored nets were both made an issued concurrently during WWII, but the green appears more common from looking at period photos. However, filthy dirty khaki nets will appear darker, so the actual color of the nets when new can be difficult to discern in original photos.How to attach your helmet net to your helmet.