Find Your Perfect Fit
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Sizing Chart
Undyz is built different
Undyz is built on truth, not guesses. Jean sizes are wildly inaccurate and not your Undyz size. To get the precision fit we’re known for, measure your real waist and high-thigh circumference in inches. Real numbers = real comfort. This is how we fix men’s underwear for good and for all—by finally making sizing honest.
| High Thigh | Waist Inches | <32 | 32-35 | 35-37 | 37-41 | >42 |
| Waist Size | S | M | L | XL | 2XL | |
| Slim | 18 | 20 | 22 | 24 | 26 | |
| (Regular) | 20 | 22 | 24 | 26 | 28 | |
| Plus | 22 | 24 | 26 | 28 | 30 |