Big red jellies
I have a few pairs of jelly sandals, and different brands' sizing is all over the map. I usually wear a 9-1/2, so I got 10s that were HUGE. I replaced them with 9s, which are still quite roomy (but okay). If you're used to other brands being so small, you could size up 2 sizes; these are the exact opposite. Go down AT LEAST one full size.
