Alpinestars approach to the creation of the advanced technology in the Supertech M10 draws on its depth of experience from over half a decade of world class innovation across the spectrum of motorsports and especially, its deep rooted commitment to motocross. As with all other categories of technology that Alpinestars has mastered, bringing a new, highly complex, product to fruition requires specialist experience and know-how and a project plan led by the best brains in protection development.Features:ECE / DOTCarbon shell construction utilizes a highly advanced molding technology with a multi-composite combinationThree layer composite combinationUnique, patented, visor release systemPatented A-Head fitting height and angle adjustment systemCollarbone protection is an important design feature of the Supertech helmet shell base profileMulti-Directional Impact Protection System: MIPSEmergency Release System (ERS).Hydration system compatibilityIncluded: spare visor, helmet bagAdult Medium = 2.7lbs