MeUndies Underwear Size Chart
MeUndies runs true to size.
Runs SmallTrue to SizeRuns Large
MeUndies Men's Underwear Size Chart
Enter your waist or hip measurement to see your size highlighted here.
| Size | US | EU | UK | Waist (cm) | Hips (cm) |
|---|---|---|---|---|---|
| S | S (28-30) | 3 | S | 71-76 | 86-91 |
| M | M (32-34) | 4 | M | 81-86 | 96-101 |
| L | L (36-38) | 5 | L | 91-97 | 104-109 |
| XL | XL (40-42) | 6 | XL | 102-107 | 112-117 |
| XXL | XXL (44-46) | 7 | XXL | 112-117 | 119-124 |
MeUndies Women's Underwear Size Chart
Enter your waist or hip measurement to see your size highlighted here.
| Size | US | EU | UK | Waist (cm) | Hips (cm) |
|---|---|---|---|---|---|
| XS | XS (0-2) | 34 | 6 | 58-63 | 84-89 |
| S | S (4-6) | 36 | 8-10 | 64-69 | 89-94 |
| M | M (8-10) | 38-40 | 12-14 | 69-76 | 94-102 |
| L | L (12-14) | 42-44 | 16-18 | 76-84 | 102-109 |
| XL | XL (16-18) | 46-48 | 20-22 | 84-94 | 109-117 |
| XXL | XXL (20-22) | 50-52 | 24-26 | 94-102 | 117-124 |
Data verified Mar 2026 · Official size guide · See an error? Report it
MeUndies Sizing & Fit Guide
MeUndies run true to size with a snug, supportive fit. Their MicroModal fabric has some stretch. Boxer briefs and trunks fit standard. If you prefer a looser fit, consider sizing up.
Related Underwear Size Charts
Frequently Asked Questions
MeUndies run true to size with a snug, supportive fit. Their MicroModal fabric has some stretch. Boxer briefs and trunks fit standard. If you prefer a looser fit, consider sizing up.
Measure your waist at the narrowest point (usually just above the belly button) and your hips at the widest point. Then use our size chart table above to find your MeUndies size.
If you're between sizes in MeUndies underwear, we recommend sizing up for a more comfortable fit. Underwear that's too tight can be uncomfortable throughout the day, while slightly loose underwear is usually fine.