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Boonie Hat Size Chart

Military Headwear
Boonie Hat Size Chart
Find your hat size by measuring the circumference of your head. Sizes follow standard US hat sizing.
How to measure: Use a soft tape measure around the widest part of your head, about a finger's width above your ears and eyebrows, level all the way around. If between sizes, choose the larger size.
Size Head Circumference US Hat Size
S 21⅜″ – 22″  55 – 56 cm 6¾ – 7
M 22½″ – 22¾″  57 – 58 cm 7⅛ – 7¼
L 23¼″ – 23⅜″  59 – 60 cm 7⅜ – 7½
XL 24″ – 24⅜″  61 – 62 cm 7⅜ – 7¾
2XL 24¾″ – 25¼″  63 – 64 cm 7¾ – 8
3XL 25⅜″ – 26″  65 – 66 cm 8⅛ – 8¼
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