General Hat Size Guide
Please note this is a general guide as different hat shapes, head shapes and where a hat sits can also make a difference to how a hat fits. It's only by trying a particular hat on that you can tell how it fits on you.
If a hat is too small, it will sit too high up on your head so if you are in-between sizes, it's generally best to go up a size and add some hat padding especially for stiff build hats which aren't as flexible as softer hats. Some hats have a sweatband that you can place padding under to help it fit a bit tighter.
We sell hat adjuster pads which can be found here if your hat is a little loose and has a sweatband.
International Hat Size Chart: