Head and brain protection. The wait is over! Finally, here is a helmet with brain rotation and concussion reduction technology! The helmets feature 360° Turbine Technology and the 3.5 helmet is certified. The helmet is lined with turbines which are 360° moving discs constructed of an energy-absorbing shape and material. The 360° Turbine Technology has two exclusive advantages, namely the reduction of rotational acceleration to the head and brain and the absorption of energy upon impact at concussion level. Features Injected Polymer Compound shell in three sizes Multi-density impact foam Dri-Lex® moisture wicking, breathable, anti-odor and washable inner liner Optimal neck brace compatibility Superior ventilation Visor with breakaway function for rotational reduction in a crash Emergency cheek pad removal Weight: from 1270g (2,8lbs) Specifications Certified and tested DOT+ECE 2205 360° Turbine Technology Reduces up to 30% of head impact at concussion level Reduces up to 40% of rotational acceleration to head and brain Note Please note that as long as nothing else is written in the article description, all helmets that have a visor as standard will be delivered with a clear one, even if it is shown differently.