TSG Helmet Size Chart

Halfshell Helmets (except Substance)

Size Circumference (in)
Nipper Mini 48 - 51 cm 18.9 - 20.1
XXS / XS | Nipper Maxi 52 - 54 cm 20.4 - 21.3
S / M 54 - 56 cm 21.3 - 22
L / XL 57 - 69 cm 22.4 - 23.2
XXL 59 - 60.5 cm 23.2 - 23.8

Substance

Size Circumference (in)
S / M 54 - 58 cm 21.3 - 22
L / XL 58 - 62 cm 22.9 - 24.5

 

Helmet sizing is determined by the distance around your head in centimeters.  Measure the circumference of your head just above your eyebrows to determine your correct helmet size.