Well, that depends on where, in the Abyss and who you are.

By and large Vaselle seems to be doing a good job, his "air conditioner amulets" are quite the step up from the spells Jenn used. But, he hasn't really pushed it for exteded periods of time.

They protect his clothes well against the atmosphere on a good day.

Not sure how they'd stand up to acid or alkali baths or rainstorms,

However, Talarius armour seems to hold up to everything, and it protects his under garments...I suspect those clothes are getting most of their damage from Talarius' working up more than a bit of sweat/stench etc.

Also note, that the LoD's system has preserved a lot of Orcus' clothing, and oddly enough the bedding and basic clothes worn by the D'Orcs survive. They need some replacing, but have last