The LS2 FF811 Vector II motorcycle helmet boasts an ultra-lightweight shell made from HPFC with a long oval shell shape for added aerodynamics and a helmet weight of 1385+50 GR. It has three shell sizes for optimum aerodynamics. It has a 3D optically correct A Class Polycarbonate racing visor for maximum clarity and no distortion. It is also Pinlock Max vision-ready and UV-resistant. The comfort liner is removable and washable for your added comfort as well as breathable and hypoallergenic, and comes with a chin curtain for added comfort in all conditions. An emergency release system is in place for your safety, with a reinforced chin strap, metal security plate, reflective safety patch for added night visibility, multi-density EPS liner, a neck roll, Magna Tech insert and quick release strap for convenience. A complete ventilation system gives a more comfortable ride in all conditions, and this has channelled ports, a top vent, a chin vent and an exhaust port. The micrometric ratchet system ensures secure closure.