The best full-face helmet money can buy.We all crash.Why take chances when choosing a new helmet? The Gravity 8.0 offers leading protection, comfort and style all at a remarkably easy-to-wear-all-day weight.All Leatt helmets feature 360 ? Turbine Technology.This system reduces both rotation acceleration and concussion level impact energy to your head and brain, so you can be more confident to push your limits.Developed in Leatt´s world-class test lab, and validated by third party testing and pro athlete feedback, this helmet is ASTM certified and designed to pass the Motorcycle ECE 22.05 standard.Superb comfort is achieved with the Pro-Fit modulating liner that comfortably conforms to your head to provide superior stability, even on the roughest of terrain.Whether you´re chasing points on the DH circuit, smashing laps at the bike park or blasting singletrack on your e-bike, the Gravity 8.0 helmet provides an unbeatable combination.MAIN FEATURES.- Composite shell in three sizes.- Motorcycle impact certification.- Incredible comfort due to Pro-FitTM modulating comfort liner.- Impact absorbing foam in 4 densities for ultimate reduction of forces to head and brain.- 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%.- Moisture wicking, breathable, anti-odor and washable liner fabric.- Optimal neck brace compatibility.- Maximized ventilation effective even at very low speeds.- Visor with breakaway function for rotational reduction in a crash.- Emergency cheek pad removal.- Hydration ready (with optional hands-free kit).- Certified and tested:ASTM F1952 - 10, EN1078, CPSC 1203, AS/NZS 2063:2008.Passes Motorcycle ECE 22.05.- Weight:rom 1.120 ± 50g (2.47lbs).- 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´´´´).