Israeli gear lot acquired, but I have some questions

So I'm trying my hand at making some IDF sets and bought this stuff as a lot, but I do have some questions about some items.

First about this shirt, which sadly has a worn out label.
I actually only know the type with the straight pocket flaps but this one has cut corners. Also, the Zahal marking in black on the chest, is this an older shirt
that predates the straight flap type with the Zahal yellow letter patch on the chest?






Then the trousers, from the pocketflaps with visible buttons it shows that it's at least earlier than he 2000's type with hidden buttons, but is there another way
to narrow it down more exactly?
Again, because of the label.







This vest also came with it, an armored troops vest, but I've read before that it was also used by recon troops and/or APC-mounted infantry, eventhough the only
"proof" of this are drawn book illustrations from 30 year old Osprey books, which may or may not have been based on actual photos.






Then this cap, with what seems like some unit logo on it, any idea what it is?






These plastic cases appear to be M16 magazine cases, when were such single mag cases actually used?





And the last part in this lot, which I have no questions about since it's quite clear what it does, the Mitznefet.

Your post was made in 2021 but apparently I'm the first one to answer you in January of 2024? For shame! Well, better late than never.

I'm a busy guy, so I'll only answer the first picture for now.

The light olive drab shirt is made of a finer, lighter cotton and is the "Aleph" shirt; the shirt you wear if you work in an office setting and when you go home on leave during peacetime.

When you leave your mandatory 3-year service period you turn in all your uniforms, at least you are SUPPOSED to.....

Your uniforms are then sent to a large base where they launder the uniforms and inspect them for holes, stains, etc. If they are really bad, they get cut up for rags. If they are wearable, they are repaired and stamped with the "IDF" marking over the left pocket as it is easier than sewing on a fabric tag.

They are then entered in the warehouses to be used as "Bet" uniforms; i.e. work and combat uniforms. When you have a laundry day, usually once a week, you hand the sargeant your uniforms and he marks down: "Marcus, two shirts, Large-Regular; two trousers; Large-Regular". They get tossed into the laundry pile and you are given two uniforms in your size from the clean pile. As such, it is cheaper to clothe a soldier in the IDF than in other armies....