Jan & Jul Adventure Hat Sizing:
- S: 0 – 6 months, head up to 45cm (17.7″) with 6.5 cm wide brim
- M: 6 – 24 months, head up to 50cm (19.7″) with 7.5 cm wide brim
- L: 2 – 5 years, head up to 53cm (20.9″) with 8.0 cm wide brim
- XL: 5 – 12 years, head up to 56cm (22″) with 9.0 cm wide brim
