Sibling Studio clothing is designed to fit true to size. If your child is between sizes, we recommend sizing up for growing room.
| Size | Age | Height (cm) | Chest (cm) |
|---|---|---|---|
| 3M | 0–3 months | 56–62 | 40 |
| 6M | 3–6 months | 62–68 | 44 |
| 12M | 6–12 months | 68–80 | 48 |
| 18M | 12–18 months | 80–86 | 52 |
| 2T | 18–24 months | 86–92 | 54 |
| 3T | 2–3 years | 92–98 | 56 |
| 4T | 3–4 years | 98–104 | 58 |
| 5 | 4–5 years | 104–110 | 60 |
| 6 | 5–6 years | 110–116 | 63 |
| 8 | 7–8 years | 122–128 | 66 |
| 10 | 9–10 years | 134–140 | 71 |
| 12 | 11–12 years | 146–152 | 76 |
| 14 | 13–14 years | 158–164 | 82 |
Still unsure? Email support@siblingstudio.com and our team will help you find the right fit.