Size Guide – UPSIDEDOWN
Size Guide
| Size | Recommended Age |
Hat Circumference (cm, unstretched) |
Recommended Head Circumference (cm) |
|---|---|---|---|
| 0 | 0–6 months | 36 | 37–41 |
| 1 | 6 months – 1.5 years | 40 | 41–46 |
| 2 | 1.5 – 6 years | 44 | 46–51 |
| 3 | 6 – 9 years | 48 | 51–55 |
| 4 | 9 years – Adults | 52 | 55–59 |
| 5 | Adults | 56 | 59–63 |