Motorcycle Helmet integral Shoei Qwest Shoei Qwest is the softest, produced so far motorcycle helmet. The noise level was reduced by 60% in comparison to its predecessor (2.2 dB). We managed to achieve this effect, inter alia, through the ventilation channels leading the crust. Safety: The shell of the AIM + (Advanced Intergrated Matrix) multilayer multikompozytu (glass fibers, organic, 3D and fibers " high performance ") ... read more.