Pajama size chart
Estimated height and weight ranges. These haven’t been verified against our pajamas.
Estimated child weight in pounds and height in inches
| Size | Weight (lbs) | Height (in) |
| Newborn | 6–9 | 18–21 |
| 0–3M | 9–12 | 21–23 |
| 3–6M | 12–17 | 23–27 |
| 6–12M | 17–22 | 27–29 |
| 12–18M | 22–25 | 29–31 |
| 18–24M | 25–27 | 31–33 |
| 2T | 27–30 | 33–35 |
| 3T | 28–32 | 35–37 |
| 4T | 33–36 | 37–40 |
Through 18–24 months: romper. From 2T: two-piece set.
Garment measurements
Measured flat, in inches. Compare with pajamas that already fit.
Rompers
Rompers garment measurements in inches| Size | Chest width | Length |
| 0–3M | 8.66 | 22.24 |
| 3–6M | 9.06 | 24.21 |
| 6–12M | 9.45 | 26.77 |
| 12–18M | 9.65 | 28.74 |
| 18–24M | 10.24 | 30.91 |
Two-piece sets
Two-piece sets garment measurements in inches| Size | Chest width | Top length | Pant length |
| 2T | 10.24 | 16.14 | 21.65 |
| 3T | 11.02 | 16.14 | 23.03 |
| 4T | 11.22 | 17.32 | 25.59 |
Need help with Newborn sizing? Email us.
Snug fit
Wear snug-fitting. Not flame resistant. Follow the garment’s fit label. Don’t size up for a loose fit.
Questions about sizing? Email us before ordering.