The 509 Tactical 2.0 Helmet is here, further improving upon one of our all-time bestselling helmets. Advances in comfort and performance include Venturi Venting that pulls moist air out without letting cold air in, plus removable VEES eyeport protection for truly seamless coverage with 509 goggles. All this plus the lightweight feel, precise fit, and high-end performance that makes the Tactical 2.0 an industry leader for uncompromised protection at an affordable price. 3 Shell design, XS to 4XPolycarbonate blend for stiffness and absorptionDOT and ECE 22.06 certificationDeep shell for full coverage, intermediate oval shape for excellent fitInnovative Venturi Vent pulls moist air from helmet without cold wind coming into helmetOn/Off shutter inside helmetAdjustable visorDouble D Ring chin strapRemovable Integrated VEES device for full coverage eyeport protectionVented, with vent plugs installed for cold weather useLiner is soft microfiber, quick drying and comfortableArctic Chin curtain included, and removable Starting Weight: DOT/ECE starting at 1300 grams