Adrian French head protector. Sheet metal cap designed by Louis Adrian, 200,000 of which were manufactured by Ets Japy. Quickly abandoned in favour of the Adrian helmet. Difficult to find in good condition. Diameter 17 cm, with holes for sewing it to the kepi. Oxidation, a few holes and missing pieces, field piece found in Artois in relatively good condition given the fragility of the effect. French Adrian Protective Skullcap Steel skullcap designed by Louis Adrian and manufactured by the Japy company in 200,000 examples. Quickly abandoned in favor of the Adrian helmet. Hard to find in good condition. Diameter 17 cm, with holes for stitching to the kepi. Oxidation, some holes and losses, ground-dug example found in Artois, relatively well preserved considering its fragility.