Outfitted for superior protection on rocky trails, the Leatt AllMtn 4.0 Bike Helmet enlists the help of defensive technologies to shield your brain from MTB-related injuries. Equipped with 360 degree Turbine Technology, the AllMtn 4.0 Helmet reduces the likelihood of injury associated with both rotational forces and sudden impact. When paired with in-molded EPS and EP0 impact foam, the 360 degree Turbine Technology ensures that any energy associated with a crash is absorbed by the helmet and its lining, not your brain. A lightweight polymer shell maximizes comfort while 18 strategically placed vents optimize air flow for ultimate coolness and dryness on warmer days. Moisture-wicking, quick-drying and naturally stench-free, the AllMtn 4.0 Helmet overlooks no detail in its making – ensuring safety, comfort, and long-lasting performance year after year. Constructed for ultimate protection and born with enviable style, the Leatt AllMtn 4.0 Bike Helmet delivers maximum coverage for whatever lies ahead.