UGGs with zippers, heels, or rubber-heavy constructions (like the Adirondack) often have less "give" and run true to size.
Most Classic UGGs do not come in half sizes. If you typically wear a 7.5, dropping down to a 7 is usually the safest bet.
Which are you looking at (Classic, Ultra Mini, or a waterproof boot)? Do you usually wear half sizes or whole sizes ? Do you prefer wearing them with or without socks ? ugg boots sizes should i buy smaller
Not every UGG product follows the same sizing logic. It is important to distinguish between styles before you commit.
Styles like the Ansley or Dakota have a more structured toe box and may feel too restrictive if you size down too aggressively. Which are you looking at (Classic, Ultra Mini,
The suede outer layer is supple and will naturally stretch over time.
UGGs are designed to be worn barefoot to maximize the moisture-wicking properties of the sheepskin. If you plan to wear thick wool socks, stick to your true size. Not every UGG product follows the same sizing logic
With wear, the wool lining flattens and molds to the shape of your foot.