The left arm armor is too close to the right arm causing the left arm to clip through and the left leg armor appears over the right leg making it look like it's only wearing left leg armor. I'm on 1.18.2 using fabric and cem and I tested it with these resource packs:
https://www.curseforge.com/minecraft/texture-packs/wedontbite
https://www.curseforge.com/minecraft/texture-packs/stormilla
https://www.planetminecraft.com/texture-pack/better-skeletons-5564950/

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs within 28 days. Thank you for your contributions.

This issue has been automatically closed due to it being stale for 28 days. Thank you to everyone who contributed.

yeah no I'm working on this

The same issue has been identified to happen with Zombie models too:

Armored legs overlap each other. I think that this issue might be due to mirrored cubes. Because this only affects mirrored side

The same issue has been identified to happen with Zombie models too:

Armored legs overlap each other. I think that this issue might be due to mirrored cubes. Because this only affects mirrored side

Yes, confirmed. In case of mirrored objects, this cause issues:

(In case if mirrored UVs are disabled)