Buying UGGs can be tricky because their signature sheepskin lining compresses and "molds" to your feet over time. Most experts and users agree that while they generally fit true to size (TTS), you should aim for a fit right out of the box . Standard Fit by Category
if you have wide feet, plan to wear thick socks, or are buying a stiffer fashion boot. The "Kids' Hack": You can save money by buying kids' sizes. Women's Size 8 = Big Kids' Size 6 Women's Size 7 = Big Kids' Size 5 Women's Size 6 = Big Kids' Size 4 Community Perspectives on Fit
“Initially, they felt a bit snug straight out of the box... After a few months of wear, the lining flattened, making them a little more roomy and fitting true to size.” YouTube · Wearably Weird buying uggs size guide
if you prefer a snug fit, have narrow feet, or plan to wear them barefoot.
“I'm a size 8.5 and I'm trying to decide if I go with an 8 or 9... I'm a 7.5 but I got a 7 and after like 2-3 days... they are stretching so I wouldn't size up.” TikTok · elysemor · 2 years ago Quick Reference Comparison Buying UGGs can be tricky because their signature
Individual experiences with "true to size" often vary based on whether users wear socks.
These run true to size but will feel tight initially. Within 10–20 hours of wear, the lining packs down, effectively increasing the space inside by about half a size . The "Kids' Hack": You can save money by buying kids' sizes
may run small, so you might consider sizing up for these specific styles.