Blu Size Guide
Find your perfect fit with our underwear size guide. Measurements are provided in both centimeters and inches.
| BLU Size | Waist Fit (cm / in) | Hip Fit (cm / in) |
|---|---|---|
| XS | 64–68 cm / 25–26.5″ | 88–92 cm / 34.5–36″ |
| S | 69–73 cm / 27–28.5″ | 93–97 cm / 36.5–38″ |
| M | 74–78 cm / 29–30.5″ | 98–102 cm / 38.5–40″ |
| L | 79–83 cm / 31–32.5″ | 103–107 cm / 40.5–42″ |
| XL | 84–88 cm / 33–34.5″ | 108–112 cm / 42.5–44″ |
If you usually wear classic men’s boxers, start with the waist number on the label.
– Classic Men’s S ≈ blu S (or M if you’ve got more curves)
– Classic Men’s M ≈ blu M/L
– Classic Men’s L ≈ blu L/XL
– Classic Men’s XL ≈ blu XL
We are developing more sizes since we want to become size inclusive. Please mind that as a small business starting out order quantities are limited. We will size up and down as fast as we can. If you have a specific request, please message us, we truly want everyone to be able to wear our product.
How to Measure
- Waist: Measure around your natural waistline, where your body curves in. Keep the tape measure snug but not tight.
- Hips: Measure around the fullest part of your hips, typically about 3-5 cm below your waistline. Keep the tape measure parallel to the floor.
Fit Tips
- If you're between sizes, choose the larger size for comfort
- Our blu underwear is designed to move with you throughout the day
- For any sizing questions, please contact our customer service team
All measurements are taken while wearing minimal clothing for the most accurate fit.