CM 53 54 55 55.9 56.8 57.8 58.7 59.7 60.6 61.6 62.5 63.5
Inches 20.87 20.25 21.62 22 22.37 22.75 23.12 23.5 23.87 24.25 24.62 25
Mens
Fitted 6 7/8 7 7 1/8 7 1/4 7 3/8 7 1/2 7 5/8 7 3/4 7 7/8 8 8 1/8 8 1/4
Z-FIT
Stretch Fit
S M/L XL
Snapback ONE SIZE FITS MOST
Adjustable ONE SIZE FITS MOST

How to Measure:

Hat Size Measure the circumference of your head by placing the tape measure across the temples and above the eyebrow ridge on your forehead.