Is UGG true to size?

UGG runs small for most buyers: 40% report a true fit, 48% find it small, and 12% find it large (confidence 67%). Model-level fit can differ — this is the brand-level aggregate from our sourced data.

Best fit recommendation for UGG

For a 268 mm foot, UGG runs small. Best fit: US 10 (likely US 9–11), UK 9, EU 41, 27 cm — confidence 70%.

Recommended size for a 268 mm foot on UGG (best fit + range, not a guarantee)
Best fit Likely range UK EU CM Confidence
US 10 US 9–11 9 41 27 70%

Evidence: 2 sources · no lab measurement in this record

See how we calculate for the methodology. Sizes vary by model and foot shape; this is an estimate, not a guarantee.

What size should I start with in UGG?

Start by checking about half a US size up from your usual size in UGG. See the full UGG sizing guide or size chart.

Reference sizes at 268 mm foot length
US Men UK EU CM
9.5 8.5 40 27

Does UGG run small or large?

Our fit offset for UGG is -0.5 size steps (negative = runs small). Compare with all brands ranked by fit.