Size Guide
MEN'S UNDERWEAR SIZE GUIDE
| SIZE | WAIST (cm) | WAIST (inch) |
| XS | 66-71 | 26-28 |
| S | 73-79 | 29-31 |
| M | 80-86 | 32-34 |
| L | 88-94 | 35-37 |
| XL | 96-102 | 38-40 |
| 2XL | 104-110 | 41-43 |
| 3XL | 112-118 | 44-46 |
| 4XL | 120-126 | 47-49 |
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Willie Guarantee If you do not love your Willie Wagtail underwear, the first pair is on us. You will be fully refunded for one opened pair. Applicable only to Willie Wagtail underwear within 30 days from the date of purchase. |