camouflaged helmet cover used by the Argentine army in the eighties.

hello friends. I need your help. in these photos is wearing a holster Argentine soldiers helmet unknown to me. is little used. but its use is documented. even in the 1982 war.
someone knows that camouflage pattern is? Who manufactures it? any idea?
Here we do not know. No official information. may be French? can be silk parachute?
any information. Thank you.