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Size Charts for Pro-Tec Helmets

 

By Steve Kopitz

 

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Senior

US Size Centimeters Inches
Small 53 - 54 20 7/8 - 21 1/4
Medium 55 - 56 21 5/8 - 22
Large 57 - 58 22 1/2 - 22 7/8
X-Large 59 - 60 23 1/4 - 23 5/8
XX-Large 61 - 62 24 - 24 1/2

 

 

Junior

US Size Centimeters Inches
Junior 49 - 54 19 1/4 - 21 1/4
Small 51 - 52 20 - 20 1/2
Medium 53 - 54 20 7/8 - 21 1/4

 

 
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