Assault Warrior Krome Full Face HelmetLS2 assaults the competition with a class leading full face motorcycle helmet. The LS2 Helmets Assault continues the LS2 tradition of innovative design and performance features that make riding a motorcycle the most pleasurable experience in life. The aerodynamic shell is made from LS2's industry leading Kinetic Polymer Alloy (KPA). This proprietary material uses nanotechnology to blend microscopic particles of aramid fibers into a high end polymer.