Before ordering a hat you should find out which hatsize you really need.. The first step would be to measure tyour head circumference with a tailoring tape. Then you should make yourself a small paper crown and try it on. This is easily done within 2 minutes with things that everyone has at home.
You need those things: a ruler, a pair of scissors, a stapler or tape, a pen and a sheet of paper.
Mark three strips on the paper, each approximately 4cm wide …
… and cut them out .
Staple all three strips side by side.
Use the ruler to mark the desired circumference / hat size.
Cut the strip a few cm nect to the mark,
… and staple both sides together so you’ll get a paper crown.
Does the crown fit? Not too tight and not too loose? Otherwise try another size.