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| Size | Height | Weight |
|---|---|---|
| Newborn | 0 to 18 in. | 0 to 7 lbs. |
| Find Old Navy Newborn on Amazon | ||
| 0 to 3 Months | 19 to 23 in. | 7 to 12 lbs. |
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| 3 to 6 Months | 23 to 27 in. | 12 to 17 lbs. |
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| 6 to 9 Months | 27 to 28 in. | 17 to 19 lbs. |
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| 6 to 12 Months | 27 to 29 in. | 17 to 22 lbs. |
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| 12 to 18 Months | 29 to 31 in. | 22 to 27 lbs. |
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| 18 to 24 Months | 31 to 33 in. | 27 to 30 lbs. |
| Find Old Navy 18 to 24 Months on Amazon | ||
| 2 Years | 33 to 36 in. | 30 to 33 lbs. |
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| 3 Years | 36 to 39 in. | 33 to 36 lbs. |
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| 4 Years | 39 to 42 in. | 36 to 40 lbs. |
| Find Old Navy 4 Years on Amazon | ||
| 5 Years | 42 to 45 in. | 40 to 46 lbs. |
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