Helmet Size Guide

 

  Helmet Size Conversion Chart
 
 
Size
Centimeter
Hat Size
Inches

XXS
 
51-52
 
6 3/8 - 6 1/2
  20- 20 1/2  

XS
 
53-54
 
6 5/8 - 6 3/4
  20 7/8 - 21 1/4  

 

S
 
55-56
 
6 7/8 - 7
  21 5/8 - 22  

M
 
57-58
 
7 1/8 - 7 1/4
  22 1/2 - 22 7/8  

L
 
59-60
 
7 3/8 - 7 1/2
  23 1/4 - 23 5/8  

XL
 
61-62
 
7 5/8 - 7 3/4
  24 - 24 3/8  

XXL
 
63-64
 
7 7/8 - 8
  24 3/4 - 25 1/4  

XXXL
 
65-66
 
8 1/8 - 8 1/4
  25 5/8 - 26  

XXXXL
 
67-68
 
8 3/8 - 8 1/2
  26 3/8 - 26 3/4  

XXXXXL
 
69-70
 
8 3/4 - 8 3/4
  27 1/4 - 27 5/8  
Youth S
 
49-50
  6 1/8 - 6 1/4   19 1/4 - 19 3/4  
Youth M
 
51-52
  6 3/8 - 6 1/2   20 - 20 1/2  
Youth L
 
53-54
  6 5/8 - 6 3/4   20 7/8 - 21 1/4  
Youth S/M
 
49-50
 
6 1/8 - 6 1/4
 
19 1/4 - 19 3/4
 
Youth L/XL
 
51-52
 
6 3/8 - 6 1/2
 
20 - 20 1/2
 

 

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