LS2 Helmets has taken on the best of the best helmet brands in the business and is proud to deliver the Challenger, our class leading sport touring helmet. Three shells. Five EPS for a perfect fit. High-end, true multi-density, carbon infused EPS purchased from the United States. Technical fabric liner. 3-D laser cut foam in the cheek pads. Removable washable liner. Built-in drop sown sunshield. 3 MM flat racing face shield with PinLock, made from optically correct Class A polycarbonate. Dynamic flow-through ventilation. DOT and ECE approved. The Challenger. The Game Has Changed.