The LS2 OF603 Infinity II is a great jet helmet by LS2. A jet helmet provides ultimate freedom, and often gives you that classic look. Because of this classic look you often see Urban/Street riders loving this type of helmet. Not only do they often provide excellent ventilation and field of view, they are the lightest type of helmets out there. This OF603 Infinity II only weighs 1400g. The low weight provides excellent freedom making the jet helmet a great choice for riders who love to ride in sunny weather. LS2 OF603 Infinity II Solid Matt Black 06 Jet Helmet Size 2XL unisex Fiberglass / fiber mix adult.