| 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"
| 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 |
We offer free standard shipping on every US order — no minimum required. Your tee will be carefully packaged and on its way!
Not in love with your tee? No problem. Returns accepted within 30 days of delivery — unworn and unwashed. Learn more.
Every Okum Tees shirt is printed in-house using eco-friendly inks. Quality you can feel good about — inside and out.
"Cool Like Dad" gets the full 3D puffy treatment here, rendered in rounded slate blue bubble letters that look soft, playful, and just a little larger than life — the kind of lettering that feels like a high-five in text form.
Perfect for Father's Day or any day dad needs a tiny hype-man, this baby onesie® turns a classic dad compliment into an adorable everyday statement. Pair it with a matching dad tee for a photo-op that practically takes itself.
Makes a great gift for:
Product details:
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.
