>  Outside shell in Advanced Thermo Material, in 2 special measurements for ideal comfort, balancing and safety for all sizes. >  Inside shell in eps. >  Lining removable and washable in refreshing anti-allergic material. Lining A.S.P. (Antimicrobial Sanitized Protection) treated. >  Ventilation system consisting of n. 2 upper aerators and 2 at the sides, 2 extractors and 2 depressors with high ventilation and heat exchange. >  Visor, antiscratch, anti-fog with snap release, without plates, 2.2 mm thick. >  System for opening chin-guard with O.H.O. (One Hand Open) one button only. >  Snap chinstrap closure system. >  Sizes available: from XXS to XXL.