Sizing
Size chart:
XS size 0-3 months (newborn)
Head circumference - 34cm - 40cm (13.4in - 15.7in)
S size 3-6 months
Head circumference - 39cm - 45cm (15.4in- 17.7in)
M size 6-18 months
Head circumference - 44cm - 50cm (17.3in - 19.7in)
L size 1.5-8 years
Head circumference - 49cm - 54cm (19.3in - 21.3in)
Adult size
One size for adults