Additional preview pics: https://imgur.com/a/e9d3IQM Prop version can be found in the files tab. The size is based on the female miqo'te head, but it can be resized in your posing program of choice.
Every part is dyeable with colorsets. The base color and accents are on material A, the visor on B, and the inner lining on C.
No, /visor does not work. I am saving you from gazing your eyes upon your character's bald, earless, holes-where-ears-should-be heads. And definitely don't look up into the helmet from the bottom. Should you want your hair, ears, or horns to show, use metadata manipulations and change the equipment metadata.
If you have modded ears, those will clip through the top. Some modded hairs will clip through too. And for some reason, earrings still show on hyurs.