The LS2 Horizon modular helmet packs a ton of features that go well beyond its price point. The shell of the helmet has been designed to be highly aerodynamic to maintain reduced wind buffeting at high speeds. The rear spoiler of this LS2 motorcycle helmet allows for dynamic flow through ventilation to keep the wearer nice and cool as air passes through. Fiberglass shell Drop down sun shield Dynamic flow ventilation D.O.T. approved