Leatt Moto 3.5 Helmet LEATT helmet with 360 ° Turbine technology. Injected polymer compound shell in three sizes. Reduces forces associated with concussion. Multi-density impact foam. Composite polymer outer shell available in three sizes. Reduced peak brain acceraration by up to 30% at impact speeds associated with concussion. Reduces peak brain rotational acceleration by up to 40%. Visor with breakaway function for rotational reduction in a crash. Emergency cheek pad removal. Washable, breathable inner lining with anti-odor treatment. Optimal neck brace compatibility. Certified and tested DOT + ECE 22.05.