Dual Lens Four Seasons Flip-up HelmetComes with anti-fog patchMultiple wearing methods.The LS2 flip-up helmet features a multi-shape design, which reduces wind noise when fully closed, and provides a cool and breathable experience in flip-up mode or half helmet mode.Ventilation system: chin air inlet + top air intake + rear exhaust vent, and can also manually close the ventilation openings.Upgraded HD helmet lens: dual lens design, providing clearer riding visibility, built-in sunglasses effectively prevent debris from flying into the eyes.Comfortable and washable inner lining: Regularly cleaning the lining is important, keeping it free from dirt for more comfortable wear