THE AIRMADA IS THE END RESULT OF ICON'S HARD-EARNED EXPERIENCE IN AN INDUSTRY THAT DOESN?T TOLERATE SECOND BEST. AIRMADA BRINGS RIDER COMFORT TO A WHOLE NEW LEVEL.Injection-molded polycarbonate shell for strength and durability ?Recessed twin-channel super vent with industry-leading intake and exhaust ports for increased cooling ?Fog-free Icon Optics? shield with Prolock? shield locking system ?Four shell sizes for ultimate fit and comfort ?Adjustable chin and forehead venting system maintains continual temperature for increased comfort in any riding situation ?Rapid release shield change system ?Ventral primary intake improves cooling airflow ?Removable molded breath deflector helps prevent fogging ?Fully removable and washable Hydra-Dry? moisture-wicking interior ?Easy-to-adjust vent switch for superior airflow control ?For replacement parts and accessories please see pages "???" ?See helmet size guide on page "???" ?All World Standard meets or exceeds the following: DOT FMVSS 218 (USA), ECE 22-05 Europe), SAI AS1698 (Australia) & SG (Japan) safety and testing standards ?NOTE: Does not ship with SAI or SG certification stickers unless purchased from an authorized dealer in that country.