UGG Men's Size Chart
Complete men's sizing guide for UGG with measurements, fit tips, and conversions
Use this men size chart to compare your measurements against UGG's official sizing. Each table shows body measurements and international conversions.
Fit Summary
UGG is known for their iconic sheepskin boots and slippers. Their boots tend to run slightly large due to the plush lining. The sheepskin will mold to your foot over time, so a snug fit initially is ideal.
Last updated: Q3 2026 · Reviewed quarterly by JC, SizeHub editor
Men's Sizing
Tops & Shirts
| Size | US | Chest (in) | Waist (in) | Neck (in) |
|---|---|---|---|---|
| XS | 34 | 34-36 | 28-30 | 14-14.5 |
| S | 36 | 36-38 | 30-32 | 14.5-15 |
| M | 38-40 | 38-40 | 32-34 | 15-15.5 |
| L | 42-44 | 42-44 | 34-36 | 15.5-16 |
| XL | 46-48 | 46-48 | 36-38 | 16-16.5 |
| XXL | 50-52 | 50-52 | 38-40 | 16.5-17 |
Pants & Bottoms
| Size | Waist (in) | Hip (in) | Inseam (in) |
|---|---|---|---|
| 28 | 28 | 34 | 30-32 |
| 30 | 30 | 36 | 30-32 |
| 32 | 32 | 38 | 30-32 |
| 34 | 34 | 40 | 30-32 |
| 36 | 36 | 42 | 30-32 |
| 38 | 38 | 44 | 30-32 |
Shoes
| US | UK | EU | Foot Length (cm) |
|---|---|---|---|
| 7 | 6 | 40 | 25 |
| 8 | 7 | 41 | 26 |
| 9 | 8 | 42 | 27 |
| 10 | 9 | 43 | 28 |
| 11 | 10 | 44 | 29 |
| 12 | 11 | 45 | 30 |
| 13 | 12 | 46 | 31 |
Shopping Tips
Size down half a size for Classic boots — the sheepskin compresses and molds to your foot. Sneakers and non-lined styles run true to size. For slippers, go true to size as you want a cozy fit.
Size Comparison
Classic boots run about half a size large compared to standard US sizing. Sneakers are comparable to other casual shoe brands. Slippers are unique — no direct comparison.
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Frequently Asked Questions
Should I size up or down in UGGs?
Size down half a size for Classic sheepskin boots. The lining compresses with wear. True to size for other styles.
Do UGGs stretch out?
Yes, the sheepskin lining will compress and mold to your foot within 1-2 weeks of regular wear.
Can UGGs get wet?
They're not waterproof but can be treated with water repellent. UGG makes waterproof styles in their weather collection.
How to Measure
Chest
Measure around the fullest part of your chest, keeping the tape horizontal.
Waist
Measure around your natural waistline, keeping the tape comfortably loose.
Hips
Stand with feet together and measure around the fullest part of your hips.