>  Outside shell in ATM (Advanced Thermo Material). >  Inside shell in eps. >  Lining removable and washable in black breathable velvet-like fabric, A.S.P. (Antimicrobial Sanitized Protection) treated. >  Ventilation system consists of n. 1 aerator on the chin-guard, n. 2 extractors at sides and n. 2 extractors at back to keep a pleasant constant temperature inside. >  Peak can be adjusted without using any equipment. >  Snap chinstrap closure system. >  Sizes available: from XS to XL.