Arai XD5 Dual Sport Helmet Africa Twin BlueShell: Stronger, rounder and smoother shell compared to the previous generation The smooth, round shell design allows the helmet to "glance off" impact energy, helping to prevent that energy from transferring to your head and body before the EPS foam is tasked with absorbing that energy Constructed with a uniformly strong vacuum formed Super Fiber, 30% stronger than traditional fiberglass Widened, more open interior jaw area for added comfort and