Renowned for its ventilation and comfort, this all-purpose MTB helmet from Leatt is the ultimate choice for enduro and bikepark riders. Whether you're tackling steep inclines, daring downhill descents, or even riding upside down, the Leatt MTB 4.0 Helmet has got you covered. With its fully ASTM DH certification, this helmet provides exceptional protection at a fair price. The full-face design, complete with a removable mouthpiece, offers outstanding ventilation, keeping you cool and comfortable during intense rides. The convenient Fidlock® buckle ensures a secure fit, making your biking experience a breeze.When it comes to safety, we understand that accidents happen. That's why our helmets are equipped with 360 ÌŠ Turbine Technology. The helmet's interior is lined with 360 ÌŠ moving discs, constructed from an energy-absorbing shape and material. This innovative technology provides two exclusive advantages. Firstly, it reduces rotational acceleration to the head and brain, minimizing the risk of injury. Secondly, it absorbs energy upon impact at concussion level, offering superior protection during crashes.So, when you find yourself in a crash, make sure you're protected by the best. Invest in the Leatt MTB 4.0 Helmet and ride with confidence.DH certified Lightweight Polymer Compound shell in two sizes Brain injury reduction technology Reduces forces associated with concussion Maximized ventilation with 22 vents Removable mouth piece ventilation cover | Fidlock magnetic closure system Dri-Lex® moisture wicking, breathable, antiodor and washable inner liner Optimal neck brace compatibility Visor with breakaway function for rotational reduction in a crash In-molded EPS + EPO impact foam for superior energy absorption 360 Turbine Technology Reduced peak brain acceleration by up to 30% at impact speeds associated with concussion Reduces peak brain rotational acceleration by up to 40% Weight: From 850g (1.87 lbs) Certified and tested: AS/NZS 2063:2008, ASTM F1952–10, EN1078, CPSC 1203 Sizing #S (55-56cm – 21 5⁄8 - 22”), #M (57-58cm – 22 ½ - 22 ¾”), #L (59-60cm – 23 ¼ - 23 5⁄8”), #XL (61-62cm – 24 – 24 ½”)