SIZE

HEAD CIRCUMFERENCE

HAT SIZE (U.S.)

inches

centimeters

eXtra eXtra Small (XXS)

20 ¾ or less

52 or less

6 ½ or less

eXtra Small (XS)

20 ¾ to 21 ½

52 to 54

6 ½ to 6 ¾

Small (S)

21 ½ to 22 ¼

54 to 56

6 ¾ to 7

Medium (M)

22 ¼ to 23

56 to 58

7 to 7 ¼

Large (L)

23 to 23 ¾

58 to 60

7 ¼ to 7 ½

eXtra eXtra Large (XXL)

24 ½ or greater

62 or more

7 ¾ or greater

The correct helmet size is found by measuring like a headband; one inch above the eyebrows and around the forehead.