Leatt mtb 2.0 helmetget rowdy on the trails with the leatt mtb 2.0 helmet. And should skill and grip levels let you down, it's packed with features, including brain protecting 360 degree turbine technology, to keep you safe if and when you take a hard fall. Mountain biking is challenging. It's fun. And as you improve and push your skills, along the way you're more than likely going to find yourself heading earthward unexpectedly. Here the leatt mtb 2.0 helmet has got your head covered. The outer shell is a durable polymer compound, perfect to meet the demands of the general wear and tear and the bumps and knocks of trail riding a close shave trailside tree branch or overhanging bush for example. For higher speed crashes, the impact foam comes into play. This absorbs and disperses crash forces to keep your head safe. The visor is also designed to break away in a crash, lessening rotational forces. Talking of rotational forces, brain protecting 360 ̊ turbine technology is also a key safety feature of the mtb 2.0. 360 ̊ turbine technologythe 360 ̊ turbine technology is focused on reducing the damaging effects of a crash on your brain. It works via 360 ̊moving discs, all made from an energy absorbing material. These impart a reduction of rotational acceleration to the head and brain by up to 40%. The system also improves the absorption of impact energy it reduces peak brain acceleration by up to 30% at the impact speeds associated with concussion. Turbo charged ventilationwhen you're on the mountain bike it's not just the safety features that will impress. Ventilation is also excellent. A combination of 20 vents and maxiflow impact foam air channels creates highly effective cooling airflow over your head, even at slower speeds. Getting sweaty is pretty inevitable though. And the moisture wicking dri lexreg liner helps in this regard, keeping sweat away as you warm up. Being anti dour and washable too, you'll enjoy freshness every ride. Featureslightweight polymer compound shell360 degree turbine technology reduces forces associated with concussionmaxiflow impact foam air channels effective even at low speedin moulded impact foam for great energy absorptionmaximized ventilation with 20 ventsvisor with breakaway function for rotational impact force reductiondri lexreg moisture wicking, breathable, anti odour and washable inner linercertified and tested as nzs 20632008, en1078, cpsc 1203weight from 300gbuy leatt clothing from chain reaction cycles, the world's largest online bike store.