There is a very loosely themed style to ID outfits. Boots, corsets, fishnet and gasmasks abound.
PVC seems to be the base material of choice, but here are some of the outfits augmented with a little latex.
Here's one of the first that I spotted, about a year and a half ago, with a super shiny skirt:
The flared skirt was a good choice because tight rubber skirts and movement don't always go well together (ask Toyah).
Cyanide Vice gamely uploaded this, even after the miniskirt-to-belt transformation:
It does get restored by the magic of editing, but she wisely decided not to make wardrobe adjustments on camera. (The whining that Viriax got for doing that during Black Flag . . . ⚑ Not to be confused with The Vapors' Red Flag ⚑)