How do I size my helmet to my head?
Posted by Joanne Meleney on 02 April 2013 08:45 AM

Our helmets tend to run larger then most brands on the market so we suggest using our sizing chart if you are unsure of your best helmet size.

Altitude Helmet Size Chart

SizeX-SmallSmallMediumLargeX-Large2X-Large3X-Large4X-Large
US Hat Sizes 6 58 - 6 34 6 78 - 7 7 18 - 7 14 7 38 - 7 12 7 58 - 7 34 7 78 - 8 8 18 - 8 14 8 38 - 8 12
Inches 20 78 - 21 18 21 58 - 22 22 12 - 22 58 23 14 - 23 12 24 - 24 1⁄4 24 78 25 18 - 25 58 26
Centimeters 53 - 54 55 - 56 57 - 58 59 - 60 61 - 62 63 64 - 65 66

Altitude Youth Helmet Size Chart

SizeYouth SmallYouth MediumYouth Large
US Hat Sizes 6 18 - 6 14 38 - 6 12
Inches 18 18 19 14 - 19 58 20 - 20 12
Centimeters 47 - 48 49 - 50 51 - 52
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