Sizing Chart
Sizing Guide
We recommend sizing up in the smaller sizes so you get the longest wear possible out of these high-quality pieces.
Zippy Convertible One-Piece Pajamas
Fits true to size.
Two-Piece Pajamas
Fits true to size with a snug, comfy fit.
Ruffle Dresses
Runs slightly small — we recommend sizing up for a longer-lasting fit.
| Size | Weight (lbs) | Height (inches) |
| Preemie | 0-6 | UP TO 17 |
| Newborn | 6-9 | UP TO 21.5 |
| 0-3 Months | 9-12 | 21.5-24 |
| 3-6 Months | 12-17 | 24-26.5 |
| 6-9 Months | 17-20 | 26.5-29 |
| 6-12 Months | 17-22 | 26.5-31 |
| 9-12 Months | 20-22 | 29-31 |
| 12-18 Months | 22-25 | 31-33 |
| 18-24 Months | 25-27 | 33-34 |
| 2T | 28-30 | 34-36 |
| 3T | 31-34 | 36-39 |
| 4T | 34-39 | 39-42 |
| 5T-6T | 39-48 | 42-48 |
| 7Y-8Y | 49-62 | 48-52 |