Snapback Size Guide - New Era

CIRCUMFERENCE CAP SIZE AGE
CM INCHES
54.9 21.61 SMALL - MEDIUM       Adult
55.8 21.97     ONE SIZE FITS MOST
56.8 22.36    
57.7 22.72 MEDIUM - LARGE  
58.7 23.11  
59.6 23.46  
60.6 23.86   LARGE -
X LARGE
61.5 24.21    
62.5 24.61      
63.5 25      
64.5 25.39      
65.4 25.75