Things I have done in pink tights and a sweaty leotard:
Go grocery shopping (but who hasn't, amiright?)
Pick up pizza for dinner (in fact, I only ever go in to that place in ballet clothes, they must think I just dress that way)
Perform the art of motorcycle maintenance (no zen, though)
Force feed a sick cat (my husband asked "oh no, are you sure you want to do this in your ballet clothes?" and I'm like "seriously? They can't get any grosser than they already are. A little critical care cat food and a soupçon of cat nausea medication is not going to make much difference.")
On a similar note: last week I was trying to close my car door without using my hands because I was carrying a big old pizza, and I smashed the back of my leg really badly with the bottom corner of the door. 9 days later I still have a massive rainbow-hued lump on my leg. But the ballet tights I was wearing that took the full force of the blow? Not a scratch on 'em.
Best garment ever? I think so.