Meets or exceeds DOT FMVSS-218 motorcycle helmet safety standards. Features an advanced aerodynamic shell design constructed using thermoplastic poly-alloy. Features a hypo-allergenic and antimicrobial nylon helmet liner and cheek pads; all of which are removable and washable. Lightforce System: A fully integrated and rechargeable battery powers two high-capacity fans for increased helmet ventilation and an ultra-bright LED light ideal for nighttime utility or increased rider visibility. A flush-fit, quick-release, single-turn screw face shield with side covers. The shield itself is optically correct, compound-curved, scratch-resistant and protects against UV-rays. There are several tinted shields available for this model. Can be converted from a motorcycle helmet to a snowmobile helmet with a dual-lens or dual-lens electric shield. Features 4-point ventilation with chin, side, forehead and top vents. Features a square type D-ring with chin strap holder. Provides ample ear cavity space for speakers. Clearcoat finish protects helmet paint and graphics, while providing a great looking shine. Comes with a cloth carrying bag. Comes with a Lifetime Warranty. A large-size FX-11 helmet weighs 1.74 kg or 3.84 lbs.