Billabong Hats' Size Chart

HATS (New Era, Flex Fit, Fedora)
Inches 21 1/4   21 5/8   22 22 3/8   22 3/4   23 1/8   23 3/4   24
CM
 		 54 55 56 57 58 59 60 61
Fitted
 		 6 3/4 6 7/8 7           7 1/8 7 1/4 7 3/8 7 1/2 7 5/8    
FlexFit
 		 S/M S/M S/M L/XL L/XL L/XL L/XL
L/XL