Highway 21 9mm Half Helmet - Gloss Black
# 77-1000
This helmet replaces Fly Racing 9mm German Beanie helmet 73-8220
- D.O.T. approved thermoplastic poly alloy shell
- Dual density EPS liner
- Removable, washable Coolmax® comfort liner
- German WWII styling
See size chart image for measurements.
You can get an idea on what size helmet you need by measuring the circumference of your head, at the temple above the eyebrows. The chart below helps choosing the right size.
Size - Inch - (cm)
XS - 20 1/2 to 21 1/4 - (53 - 54cm)
Small - 21 5/8 to 22 - (55 - 56cm)
Medium - 22 7/16 to 22 3/4 - (57 - 58cm)
Large - 23 1/8 to 23 5/8 - (59 - 60cm)
XL - 24 to 24 3/8 - (61 - 62cm)
2XL - 24 3/4 to 25 3/16 - (63 - 64cm)
3XL - 25 9/16 to 26 - (65 - 66cm)
4XL - 26 3/8 to 26 3/4 - (67 - 68cm)
