Powered by Mommy's Milk Baby Onesie® | Cute Baby Onesie®
Baby & Infant Size Chart
Infant Shirt
| 6M | 12M | 18M | |
|---|---|---|---|
| Length | 12½ in | 13 in | 13½ in |
| Width | 9¾ in | 10¼ in | 10¾ in |
| Sleeve | 3¼ in | 3½ in | 3¾ in |
All measurements in inches • Measurements may vary ±1"
Short & Long-Sleeve Baby Bodysuit
| 0-3M | 3-6M | 6-9M | 12M | |
|---|---|---|---|---|
| Weight | 8–12 lbs / 3.6–5.4 kg | 12–16 lbs / 5.4–7.3 kg | 16–20 lbs / 7.3–9.1 kg | 20–24 lbs / 9.1–10.9 kg |
| Height | 21–24 in / 53.3–61 cm | 24–26 in / 61–66 cm | 26–28 in / 66–71.1 cm | 28–30 in / 71.1–76.2 cm |
on All US Orders
We offer free standard shipping on every US order — no minimum required. Your tee will be carefully packaged and on its way!
Returns
Not in love with your tee? No problem. Returns accepted within 30 days of delivery — unworn and unwashed. Learn more.
In-House Printing
Every Okum Tees shirt is printed in-house using eco-friendly inks. Quality you can feel good about — inside and out.
This baby shirt features an adorable cartoon baby bottle wrapped in a heart, paired with the sweet phrase 'Powered by Mommy's Milk' in a soft light blue palette. It's a charming little nod to the bond between a nursing mom and her baby, designed with the kind of cute, playful style that makes everyone smile.
Whether it's for a breastfed newborn or a growing infant, this design captures a proud moment in a simple, giftable way, perfect for showing off at family gatherings or baby shower photos.
Makes a great gift for:
- New and expecting moms who are breastfeeding
- Baby shower gifts for a mom-to-be who loves a cute theme
- Nursing moms wanting a sweet, shareable outfit for their little one
Product details:
- Material: Soft, lightweight cotton — gentle on baby skin and easy to wash
- Fit: True to size infant fit — see size guide for measurements
- Colors available: White, Grey, Natural
- Care: Machine wash cold, tumble dry low
Our ONESIES® are made from 100% cotton interlock knit, in white, natural, and heather grey. The natural fabric fits true to size, while the white tends to run slightly small. Our shirts and sweatshirts are crafted from cotton or cotton blends, depending on the brand. When in doubt, sizing up is a safe bet.
All of our items are printed using inks that meet CPSIA safety standards and are gentle on sensitive skin.
We’re proud to source our materials from manufacturers that prioritize ethical production and fair working conditions.
To learn more about CPSIA standards, visit: https://www.cpsc.gov
ONESIE® is a registered trademark of Gerber Childrenswear LLC.
