What size cap should I choose?

We understand that choosing cap sizes can be difficult to determine particularly if buying as a gift. You will need some information to make the best choice possible but below you will see a size guide to help you choose the best size possible. Please see sizes below in inches and centimeters: 

Inches: Small: 22.5, Medium: 22.8, Large: 23.6, Extra Large: 24.4, XXL: 24.8

Centimeters: Small: 57, Medium: 57.5, Large: 59.5, Extra Large: 61.5, XXL: 62.5