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Altitude MX Helmet Size Chart
Posted by on 06 October 2015 09:02 AM
Adult Sizes
X-Small
Small
Medium
Large
X-Large
2X-Large
US Hat Sizes
6 ⅝ – 6 ¾
6 ⅞ – 7
7 ⅛ – 7 ¼
7 ⅜ – 7 ½
7 ⅝ – 7 ¾
7 ⅞
Inches
20 ⅞ – 21 ¼
21 ⅝ – 22
22 ⅜ – 22 ¾
23 ⅛ – 23 ½
23 ⅞ – 24 ¼
24 ⅝
Centimeters
53 – 54
55 – 56
57 – 58
59 – 60
61 – 62
63