Underwear Size Charts
Choosing the right size is essential for comfort, support and confidence. Use the Bulge & Bum size chart below to find the best fit before placing your order.
This size guide applies to all Bulge & Bum: Briefs, Trunks, Shorts, Boxers, Jockstraps, G-Strings, Tangas and Swimwear.
Jock Straps, G-Strings
Measure the circumference of your hips to find the perfect size for your body.
| Size | Circumference | Jean Size |
| XS | 63cm – 70cm | 26 / 28 |
| S | 65cm – 73cm | 28 / 30 |
| M | 73cm – 80cm | 30 / 32 |
| L | 80cm – 90cm | 34 / 36 |
| XL | 90cm – 100cm | 36 / 38 |
Trunk, Brief, Short, Boxers
Measure the circumference of your hips to find the perfect size for your body.
| Size | Circumference | Jean Size |
| XS | 65cm – 73cm | 26 / 28 |
| S | 73cm – 80cm | 28 / 30 |
| M | 80cm – 90cm | 30 / 32 |
| L | 90cm – 100cm | 34 / 36 |
| XL | 100cm – 110cm | 36 / 38 |
Between Sizes?
If your measurement falls between two sizes, choose the larger size for a more relaxed fit or the smaller size for a closer, more supportive fit.
If you need further assistance choosing the right size, please contact our team before placing your order. We're happy to help you find your perfect fit.