Get the perfect fit for your kids designer accessories by Acorn Kids with their size guide.
Summer hats.
| Size | Head circumference range | Approx. age |
| XS | 38-45 cm | 0 to 9 months |
| S | 45-50 cm | 9 to 18 months |
| M | 48-52 cm | 1.5 to 3 years |
| L | 50-54 cm | 3 to 5 years |
| XL | 52-56 cm | 5+ years |
Winter beanies.
| Size | Head circumference range | Approx. age |
| XXS | 33-37 cm | 0 to 3 months |
| XS | 38-42 cm | 3 to 6 months |
| S | 42-47 cm | 6 to 18 months |
| M | 45-50 cm | 1.5 to 3 years |
| L | 47-52 cm | 3 to 5 years |
| XL | 50-54 cm | 5 years + |