# How to choose my helmet?

- URL: https://www.gt2i.com/en/content/55-how-to-choose-my-helmet

Sizing chart for the Stilo Helmets:

Head circumference (cm)
Size

53
XS

55
S

57
M

58
M/L

59
L

60
L/XL

61
XL

63
XXL

64
XXXL

Sizing chart for the Bell Helmets: 

Head circumference (cm)
Size

54 to 55.5
XXS

55.5 to 57
XS

57 to 58.5
S

58.5 to 60
M

60 to 61.5
L

61.5 to 63
XL

Sizing chart for the Sparco / GT2i Helmets:

Head circumference (cm)
Size

51 to 53
XXS

53 to 54
XS

55 to 56
S

57 to 58
M

59 to 60
L

61 to 62
XL

63
XXL

Sizing chart for the GT2i Pro / Club Helmets:

Head circumference (cm)
Size

53
XS

55
S

57
M

59
L

60
L/XL

61
XL

63
XXL