What is the smallest dress size for women?

The smallest dress size for women typically starts at size 0 in the U.S. sizing system, although some brands may offer size 00 or even smaller. The exact measurements for these sizes can vary between brands, but generally, a size 0 corresponds to bust measurements around 31-32 inches, waist around 23-24 inches, and hips around 33-34 inches. It's important to note that sizing can differ significantly across different retailers.