SIZING CHARTS

Helmet Sizes

Head Circumference Inches

Head Circumference Metric

Hat Sizes

3XS

17 1/8" - 18"

43.5 - 45.7 cm

5 4/9 - 5 3/4

2XS

18 1/8" - 19"

46 - 48.3 cm

5 3/4 - 6

XS

19 1/8" - 20"

48.6 - 50.8 cm

6 - 6 3/8

S

20 1/8" - 21"

51.1 - 53.3 cm

6 2/5 - 6 2/3

M

21 1/8" - 22"

53.7 - 55.9 cm

6 5/7 – 7

L

22 1/8" - 23"

56.2 - 58.4 cm

7 - 7 1/3

XL

23 1/8" - 24"

58.7 - 61 cm

7 1/3 - 7 2/3

2XL

24 1/8" - 25"

61.3 - 63.5 cm

7 2/3 – 8

3XL

25 1/8" - 26"

63.8 - 66 cm

8 – 8 2/7

4XL

26 1/8" - 27"

66.4 - 68.6 cm

8 1/3 - 8 3/5

XS

52-54

SM

54-56

MD

56-58

LG

58-60

XL

60-62

2XL

62-64

 

XS

53-54

SM

55-56

MD

57-58

LG

59-60

XL

61-62

2XL

63-64

Standard Size

Hat Size

Inches

Centimeters

4XS

6 3/8

20 1/16

51

3XS

6 1/2 - 6 5/8

20 1/2 - 20 7/8

52-53

2XS

6 3/4 - 6 7/8

21 1/4 - 21 5/8

54-55

XS

7

22

56

S

7 1/8

22 3/8

57

M

7 1/4 - 7 3/8

22 3/4 - 23 1/4

58-59

L

7 1/2

23 5/8

60

XL

7 5/8 - 7 3/4

24 - 24 3/8

61-62

2XL

7 7/8 - 8

24 3/4 - 25 1/4

63-64

3XL

8 1/8 - 8 1/4

25 5/8 - 26

65-66

4XL

8 3/8 - 8 1/2

26 3/8 - 26 3/4

67-68