I washed an Esprit rayon dress this winter (strictly by the instructions) and had it shrink lengthwise enough that it was too short to wear to work. At least an inch, maybe two.

I'm now trying to decide between an AT dress in petite or regular. The petite fits perfectly while the regular is about an inch too long. It's made of a 93% rayon/7% spandex jersey. Get the petite and hope it doesn't shrink? Or get the regular and hope it does?