LS2 FF399 Valiant Helmet - Matte TitaniumThe LS2 Valiant features the most stable "modular to open face" conversion mechanism in the world. As much as 20% smaller than competitive models, the Valiant is lighter, more stable and more aerodynamic. The Valiants lightweight, aerodynamic shell is made from LS2's proprietary Kinetic Polymer Alloy (KPA). This proprietary material uses nanotechnology to blend microscopic particles of aramid fibres into a high end polymer. This material is absolutely