UGG Buyer's Guide | Fit, Size and Care Tips | Allsole
Koolaburra by UGG Cotton Rayon Tee Tier Dress - QVC.com
UGG® Size Chart | UGG.com
UGG Size Guide
Women's Apparel Size Guide | UGG.com
This also applies if you are a small, junior or petite size in womens clothing. Sometimes it can be less expensive to buy large or Xlg clothing in the children's section. :
UGG® Sizing Information | UGG® Official
Amazon.com | UGG Women's Classic Cardy Winter Boot, Black, 5 B US | Mid-Calf