

Weight varies, but waist measurement doesn't lie.
Start with measuring from your child's belly button - that's the most reliable way to find their size.
Getting the right size matters
Scroll left to right | Best Fit Waist | Full Waist Range | Diaper Length | Weight |
---|---|---|---|---|
Size 9 |
18-19.5"
|
18-22"
|
22.8"
|
48-65 lbs
|
Size 10 |
20-22"
|
20-24"
|
23.6"
|
60-85 lbs
|
Size 11 |
23-26"
|
22-26"
|
24.4"
|
80-115 lbs
|
Understanding Waist Measurements
Best Fit Waist: These belly button measurements work best for most kids, based on real feedback from hundreds of families. Start here for the most reliable fit.
Full Waist Range: While diapers may work across this wider range of waist measurements, you'll get better results staying closer to the Best Fit range.


Start with our Sizing Pack.
The Right Fit Should Look Like:
🎯 Waist sits snug at belly button
⭐ No gaps around legs or waist
✋ Room for one finger under waistband
✔️ Full coverage front and back

-
Size Down When...
👉 Tabs overlap too much
👉 Gaps at legs/waist
👉 Diaper slides down
👉 Excessive bunching
-
Size Up When...
👉 Tabs stretch too far
👉 Red marks appear
👉 Frequent leaks
👉Tight around legs

☑️ Check size every 3-6 months and after growth spurts or changes in equipment
Stress-Free Sizing Guide
Sizing Questions? We've Got You
A Final Note
We're passionate about our products and the kids who wear them, every body is different. These guidelines are just that - guidelines. Your experience might vary, and that's totally cool. We're here to help you find what works best for your kid.