509's brand new Tactical 2.0 snowmobile helmet is here to raise the bar we set and to prove that improvement is indeed possible. Trail and Mountain riders alike have come to know and trust the 509 Tactical helmet platform over the years. 509 convinced riders that an using an open face helmet combined with 509's premium goggles is more comfortable, offers the ultimate field of view, and is more protective than the traditional full face helmet option. Some might say that this level of perfection couldn't be improved.FEATURES 3 Shell design Polycarbonate blend for stiffness and absorption DOT and ECE 22.06 certification Deep shell for full coverage, intermediate oval shape for excellent fit Innovative Venturi Vent pulls moist air from helmet without cold wind coming into helmet On/Off shutter inside helmet Adjustable visor, lifetime Warranty on Visor Double D Ring chin strap Removable Integrated VEES device for full coverage eyeport protection Vented, with vent plugs installed for cold weather use Liner is soft microfiber, quick drying and comfortable Arctic Chin curtain included, and removable