These sizes are for guidance only, but if in doubt, we'd suggest going for the larger size as all these hats come with adjustable chin and head toggles to create a good fit and it'll last you longer, win:win!

Extra Small

43cm head circumference

Babies up to eight months

 

Small

52cm head circumference

Eight month old babies to two years

Medium

54cm head circumference

Two years to a bit bigger

Large

56cm head circumference

Little kids

Extra Large

58cm head circumference

Bigger kids (we'd suggest up to 8 years but please do check and measure as all children are different.)