Arai XD-5 Discovery DesignsFeatures The forehead area of the shell is reinforced by a super fiber belt which is similar to the way in which bands strengthen a barrel PB cLc shell is assembled using an assortment of materials VAS A shield system lowered to further improve 'glancing off' ability Peak Designed for more effective ventilation, increased high speed flow through performance, greater range of adjustability for blocking the sun, and is more resistant to buffeting, all