Pink rainbow hats are 50cm best fit 3 to 8 year olds. My 2 year old wears one but it is a little big.
Orange rainbow /non hats are 52cm best fit is 3 to 8 years, the 2cm difference doesn’t seem to make much of a difference.
Adult/Big Kids- fits both men and women it is one size fits most.
All hats have a faux leather adjustable strap at the back