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Hat And Helmet Size Chart

Hat/Helmet Size Chart - Get The Best Fit For You

For the most accurate measurement, use a measuring tape to measure the circumference of your head (above your ears), then apply the measured size to the table below.

Hat/Helmet Size	Circumference (inches)	Circumference (centimeters)
6	18 3/4 in.	49 cm.
6 1/8	19 1/4 in.	50 cm.
6 1/4	19 5/8 in.	51 cm.
6 3/8	20 in.	52 cm.
6 1/2	20 3/8 in.	53 cm.
6 5/8	20 3/4 in.	54 cm.
6 3/4	21 1/4 in.	55 cm.
6 7/8	21 5/8 in.	56 cm.
7	22 in.	57 cm.
7 1/8	22 3/8 in.	58 cm.
7 1/4	22 3/4 in.	59 cm.
7 3/8	23 1/8 in.	60 cm.
7 1/2	23 5/8 in.	61 cm.
7 5/8	24 in.	62 cm.
7 3/4	24 3/8 in.	63 cm.
7 7/8	24 3/4 in.	64 cm.
8	25 in.	65 cm.

Size	Circumference (inches)	Circumference (centimeters)	Hat Size
S/M	19 ⁵⁄₈ - 21 ⁵⁄₈ in.	50 - 55 cm.	6 - 6 ⁷⁄₈
M/L	20 ¹⁄₂ - 23 ¹⁄₄ in.	52 - 59 cm.	6 ¹⁄₂ - 7 ³⁄₈
XL	22 ³⁄₄ + in.	59 + cm.	7 ¹⁄₄ +