



Protec - Old School - (Certified)
Color | Matte Seaweed
- Specs
- Sizing
- Shipping
The Old School Cert was modified from the original 1973 Full-Tec and features a retro shape that sits low on your head, offering great impact protection. The premium heat-sealed liner keeps you comfortable and the 11 open vents keep you cool. The more round shape practically molds to any shape head.
SHELL • High-Impact ABS
LINER • EPS
VENTS • 11 Open Vents
INTERIOR • Heat-Sealed Premium Pads
FIT • 5 sizes - XS, S, M, L, XL
CERTIFICATIONS • ASTM 1492/1447, CPSC 1203, AS/NZS 2063:2008, CE 107
Helmet Sizing
To ensure that your helmet fits perfectly, we recommend measuring the circumference of your head using a measuring tape. For accurate measurements, wrap the measuring tape just above your eyebrows and around your head. Compare your cm measurement to the chart below to find your ideal helmet size.
Size | Head Circumference (inches) | Head Circumference (centimetres) |
XS | 20.5 - 21.3" | 52 - 54cm |
S | 21.3 - 22" | 54 - 56cm |
M | 22 - 22.8" | 56 - 58cm |
L | 22.8 - 23.6" | 58 - 60cm |
XL | 23.6 - 24.4" | 60 - 62cm |
XXL | 24.4 - 25.2" | 62 - 64cm |
Helmet Sizing
To ensure that your helmet fits perfectly, we recommend measuring the circumference of your head using a measuring tape. For accurate measurements, wrap the measuring tape just above your eyebrows and around your head. Compare your cm measurement to the chart below to find your ideal helmet size.
Size Head Circumference
XS - 20.5 - 21.3" | 52 - 54cm
S - 21.3 - 22" | 54 - 56cm
M - 22 - 22.8" | 56 - 58cm
L - 22.8 - 23.6" | 58 - 60cm
XL - 23.6 - 24.4" | 60 - 62cm
XXL - 24.4 - 25.2" | 62 - 64cm
Bike Size Chart
As bulky/oversize items, all bikes ship via Startrack Road Express with shipping rates calculated at checkout, based on destination & weight.
All accessories attract a $9.95 shipping charge.