Size Guide – SCREW
| Size | Recommended Age |
Hat Circumference (cm, unstretched) |
Recommended Head Circumference (cm) |
|---|---|---|---|
| 1 | 6 months – 1.5 years | 40 | 41–45 |
| 2 | 1.5 – 6 years | 44 | 45–49 |
| 3 | 6 – 9 years | 48 | 49–55 |
| 4 | 9 years – Adults | 54 | 55–60 |
| 5 | Adults | 60 | 60–65 |