Adult Helmet Fit Guidelines (MFR's General)

Brand

XXS

XS

S

M

L

XL

XXL

XXXL

4XL

5XL

Answer

n/a

21^1/4

21^5/8

22^3/8

23^1/8

23^1/2

24^1/4

24^5/8

n/a

n/a

inches

n/a

53 - 54

55 - 56

57 - 58

59 - 60

61 - 62

63 - 64

65 - 66

n/a

n/a

cm.

n/a

6^5/8- 6^3/4

6^7/8- 7

7^1/8- 7^1/4

7^3/8- 7^1/2

7^5/8- 7^3/4

8

8^3/4- 8^1/2

n/a

n/a

hat size

Azonic

20^3/4- less

20^3/4- 20^1/2

21^1/2- 22^1/4

22^1/4- 23

23 - 23^3/4

23^3/4- 24^1/2

24^1/2- 25^1/2

25^1/2 or greater

n/a

n/a

inches

> 52

52 - 54

54 - 56

56 - 58

58 - 60

60 - 62

62 - 64

< 64

n/a

n/a

cm.

> 6^1/2

6^1/2- 6^3/4

6^3/4- 7

7 - 7^1/4

7^1/4- 7^1/2

7^1/2- 7^3/4

7^3/4- 8^1/8

< 8^1/8

n/a

n/a

hat size

Bell

n/a

20^7/8- 21^1/4

21^5/8- 22

22^3/8- 22^3/4

23^1/4- 23^5/8

24 - 24^3/8

24^3/4- 25^1/4

n/a

n/a

n/a

inches

n/a

53- 54

55 - 56

57 - 58

59 - 60

61 - 62

63 - 64

n/a

n/a

n/a

cm.

n/a

6^5/8- 6^3/4

6^7/8- 7

7^1/8- 7^1/4

7^3/8- 7^1/2

7^5/8- 7^3/4

7^7/8- 8

n/a

n/a

n/a

hat size

Fly

n/a

20^7/8- 21^1/4

21^5/8- 22

22^3/8- 22^3/4

23^1/8- 23^1/2

24 - 24 ^3/8

25^1/8- 25^1/2

n/a

n/a

n/a

inches

n/a

n/a

n/a

n/a

n/a

n/a

n/a

n/a

n/a

n/a

cm.

n/a

6^5/8- 6^3/4

6^7/8- 7

7^1/8- 7^1/4

7^3/8- 7^1/2

7^5/8- 7^3/4

7^5/8- 7^3/4

n/a

n/a

n/a

hat size

Fox Racing

n/a

20^1/2- 21^1/8

21^1/4- 22^1/8

22^3/8- 23^1/8

23^1/4- 23^3/4

23^7/8- 24^3/4

24^7/8- 25^3/4

n/a

n/a

n/a

inches

n/a

52 - 53

54 - 55

57 - 59

58 - 60

60 - 63

62 - 65

n/a

n/a

n/a

cm.

n/a

n/a

n/a

n/a

n/a

n/a

n/a

n/a

n/a

n/a

hat size

HJC

20 - 20^1/2

20^7/8- 21^1/4

21^5/8- 22

22^1/2- 22^7/8

23^1/4- 23^5/8

24 - 24^3/8

24^3/4- 25^1/4

25^5/8- 26

n/a

n/a

inches

51 - 52

53 - 54

55 - 56

57 - 58

59 - 60

61 - 62

63 - 64

65 - 66

n/a

n/a

cm.

6^3/8- 6^1/2

6^5/8- 6^3/4

6^7/8- 7

7^1/8- 7^1/4

7^3/8- 7^1/2

7^5/8- 7^3/4

7^7/8- 8

8^1/8- 8^1/4

n/a

n/a

hat size

KBC

n/a

n/a

21.7 - 22

22.4 - 22.8

23.2 - 23.6

24 - 24.4

24.8 - 25.2

n/a

n/a

n/a

inches

n/a

n/a

55 - 56

57 - 58

59 - 60

61 - 62

63 - 64

n/a

n/a

n/a

cm.

n/a

n/a

6^3/4- 6^7/8

7 - 7^1/8

7^1/4- 7^3/8

7^1/2- 7^5/8

7^3/4- 7^7/8

n/a

n/a

n/a

hat size

M2R

20^1/2- 20^{7/ 8}

21^1/4- 21^5/8

22 - 22^3/8

22^3/4

23^1/8- 23^1/2

24 - 24^3/4

25^1/8- 25^1/2

n/a

n/a

n/a

inches

52 - 53

54 - 55

56 - 57

58 - 59

60 - 61

62 - 63

64 - 65

n/a

n/a

n/a

cm.

6^1/2- 6^5/8

6^3/4- 6^7/4

7 - 7^1/8

7^1/4

7^3/8- 7^1/2

7^5/8- 7^7/8

8 - 8^1/8

n/a

n/a

n/a

hat size

Brand

XXS

XS

S

M

L

XL

XXL

XXXL

4XL

5XL

Moose

n/a

20^1/2- 20^7/8

21^1/4- 21^5/8

22 - 22^3/8

22^3/4- 23^1/8

23^1/2- 24

24^3/8- 24^3/4

n/a

n/a

n/a

inches

n/a

52 - 53

54 - 55

56 - 57

58 - 59

60 - 61

62 - 63

n/a

n/a

n/a

cm.

n/a

6^1/2- 6^5/8

6^3/4- 6^7/8

7 - 7^1/8

7^1/4- 7^3/8

7^1/2- 7^5/8

7^3/4- 7^7/8

n/a

n/a

n/a

hat size

MSR

21^1/8

21^1/4

21^5/8 - 22

22^3/8 - 22^3/4

23^1/8

23^1/2 - 24

24^3/8 - 24^1/4

n/a

n/a

n/a

inches

53

54

55 - 56

57 - 58

59

60 - 61

62

n/a

n/a

n/a

cm.

6^3/8- 6^1/2

6^3/4

6^7/8- 7

7^1/8- 7^1/4

7^3/8

7^1/2- 7^5/8

7^3/4

n/a

n/a

n/a

hat size

No Fear

n/a

21 - 21^1/2

21^1/2- 22

22^1/2- 23

23 - 23^1/2

24 - 24^1/2

24^1/2- 25

n/a

n/a

n/a

inches

n/a

53 - 54

54 - 55

57 - 58

58 - 59

61 - 62

62 - 63

n/a

n/a

n/a

cm.

n/a

n/a

n/a

n/a

n/a

n/a

n/a

n/a

n/a

n/a

hat size

O'Neal

n/a

20^1/2- 21^1/8

21^1/4- 22^1/8

22^3/8- 23^1/8

23^1/4- 23^3/4

23^7/8- 23^3/4

24^7/8

n/a

n/a

n/a

inches

n/a

n/a

57

59

61

63

65

n/a

n/a

n/a

cm.

n/a

n/a

7

7^1/4

7^1/2

7^3/4

8

n/a

n/a

n/a

hat size

One Industries

n/a

20^7/8- 21^1/4

21^3/8- 22

22^1/8- 22^7/8

23^1/8- 23^7/8

24 - 24^1/2

24^5/8- 25^1/2

n/a

n/a

n/a

inches

n/a

53 - 54

55 - 56

57 - 58

59 - 60

61 - 62

63 - 64

n/a

n/a

n/a

cm.

n/a

6^5/8- 6^3/4

6^3/4- 7

7 - 7^1/4

7^1/4- 7^1/2

7^1/2- 7^3/4

7^3/4- 8

n/a

n/a

n/a

hat size

Troy Lee Designs

n/a

20 7/8 - 21 1/4"

21-5/821 1/4 - 22"

22 - 22 3/4"

22 3/4 - 23 5/8"

23 5/8 - 24 1/2"

24 1/2 - 24 7/8"

n/a

n/a

n/a

inches

n/a

53 - 54

54 - 56

56 - 58

58 - 60

60 - 62

62 - 63

n/a

n/a

n/a

cm.

n/a

6^5/8- 6

6^3/4- 7

7 - 7^1/4

7^1/4- 7

7^1/2- 7^3/4

7^3/4- 7^7/8

n/a

n/a

n/a

hat size

Shoei

21^1/8

21^1/4

21^5/8

22^3/8

23^1/8

23^1/2

24^1/4

24^5/8

n/a

n/a

inches

51 - 52

53 - 54

55 - 56

57 - 58

59 - 60

61 - 62

63 - 64

65 - 66

n/a

n/a

cm.

6^3/8- 6^1/2

6^5/8- 6^3/4

6^7/8- 7

7^1/8- 7^1/4

7^3/8- 7^1/2

7^5/8- 7^3/4

7^7/8- 8

8^3/8- 8^1/2

n/a

n/a

hat size

Thor

20^1/2

20^7/8- 21^1/4

21^5/8- 22

22^3/8- 22^3/4

23^1/8- 23^1/2

24 - 24^3/8

24^3/4- 25^1/8

n/a

n/a

n/a

inches

52

53 - 54

55 - 56

57 - 58

59 - 60

61 - 62

63 - 64

n/a

n/a

n/a

cm.

6^1/2

6^5/8- 6^3/4

6^7/8- 7

7^1/8- 7^1/4

7^3/8- 7^1/2

7^5/8- 7^3/4

7^7/8- 8

n/a

n/a

n/a

hat size

Vega

n/a

20.87 - 21.26

21.65 - 22.05

22.44 - 22.83

23.23 - 23.62

24.02 - 24.41

24.80 - 25.20

25.60 - 26.00

26.40 - 26.80

27.00 - 27.50

inches

n/a

53 - 54

55 - 56

57 -58

59 -60

61 - 62

63 - 64

65 - 66

67 - 68

69 - 70

cm.

n/a

6^5/8- 6^3/4

6^7/8- 7

7^1/8- 7^1/4

7^3/8- 7^1/2

7^5/8- 7^3/4

7^7/8- 8

8^1/8- 8^1/4

8^3/8- 8^1/2

8^5/8- 8^3/4

hat size