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. Complies with U.S. CPSC Safety Standard for Bicycle Helmets for Persons Age 5 and Older

SHELL: High-Impact ABS

LINER: EPS

VENTS: 11 Open Vents

INTERIOR: Heat-Sealed Premium Pads

CERTIFICATIONS: ASTM 1492/1447, AS/NZS 2063:2008, CE 1

SIZING: S: 54-56cm | M: 56-58cm | L: 58-60cm | XL: 60-62cm | PRO TIP: We strongly recommend sizing up if your measurements fall at the upper end of a size range. Example: If you measure 54 cm, choose size S. Based on years of customer feedback, the larger size typically offers a better, more comfortable fit.