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To determine the correct helmet size, please use the following information.

To determine helmet size, carefully measure your head with a cloth tape measure. The tape measure should be held snugly around your head. Place the measuring tape completely around the widest portion of your head (approximately 1/2" above the eyebrows and 1/2" above the ears and at the point on the back of your head that will give you the largest measurement to determine head size). Find the head size in the chart below and then order the appropriate helmet size listed.

D.O.T Polo and Extended Half
Small	21 1/4" to 21 7/8"
Medium	22 1/8" to 22 7/8"
Large	23 1/8" to 23 7/8"
Extra Large	24 1/8" to 25"

Novelty Polo and Extended Half
Small/Medium	19 1/2" to 21 3/4"
Medium/Large	22" to 22 3/4"
Large/X-Large	23" to 24"
XX-Large	25" to 26"

Novelty German and Short German
Small	19 1/2" to 20 1/2"
Medium	21" to 22"
Large	22 1/2" to 23"
X-Large	23" to 24"

Sizing conversions

Centimeters	Inches	Fitted Hat Size
50	19 5/8	6 1/4
51	20	6 3/8
52	20 1/2	6 1/2
53	20 7/8	6 5/8
54	21 1/4	6 3/4
55	21 5/8	6 7/8
56	22	7
57	22 3/8	7 1/8
58	22 3/4	7 1/4
59	23 1/4	7 3/8
60	23 5/8	7 1/2
61	24	7 5/8
62	24 3/8	7 3/4