Description The C91 helmet will offer riders some of the best features on the market at a budget friendly price. Starting with the Advance Polycarbonate Composite Shell. It provides a lightweight helmet with a superior fit and comfort using advanced CAD technology. The chin bar operates with an easy to use the single lever and is user friendly with gloves. It also includes an internal sun shield with a manual mechanism that moves forward and back with ease. The large top vent allows airflow ventilation throughout the deep EPS channels of the helmet, keeping you cool on rides. The Super Cool top liner and cheek pad interior gives additional cooling features with its moisture-wicking anti-bacterial fabric. The C91 is also Smart HJC ready to accept the 10B or 20B Bluetooth systems (*sold separately). Features: SHIELD & SUN VISOR OPTIONS Hj-17 Anti Fog Shield Hj-v5 Sun Visor REPLACEMENT PARTS Chin Bar Sun Visor Cheek Pads Headliner HELMET SIZING CHART SIZE CENTIMETER HAT SIZW INCHES X-Small 53-54 6 5/8 – 6 3/4 20 7/8 – 21 1/4 Small 55-56 6 7/8 – 7 21 5/8 – 22 Medium 57-58 7 1/8 – 7 1/4 22 1/4 – 22 7/8 Large 59-60 7 3/8 – 7 1/2 23 1/4 – 23 5/8 X-Large 61-62 7 5/8 – 7 3/4 24 – 24 3/8 2X-Large 63-64 7 7/8 – 8 24 3/4 – 25 1/4 3X-Large 65-66 8 1/8 – 8 1/4 25 5/8 – 26 4X-Large 67-68 8 3/8 – 8 1/2 26 3/8 – 26 3/4 5X-Large 69-70 8 3/4 – 8 3/4 27 1/4 – 27 5/8
