LS2 Advant - Kuka Matt Black / Red Motorcycle Helmet M : 57 - 58 All helmets are supplied with a clear visor as standard. LS2 Motorcycle Helmets. Durable KPA outer shell construction. Multi-density EPS lining for added durability. Weighs approximately 1650g (± 50g). Long oval shape design for oval-heads. 180o rotating flip-up chin bar. Two shell and five EPS liner sizes. Reinforced micrometric metal buckle chin strap. Emergency release cheek pad system. Easily removable chin bar slide-cover. Quick-release scratch and UV-resistant visor. Max Vision Pinlock insert ready (Included). Channelled EPS chin and top vent with rear exhaust. Removable and washable extra comfort liner.