>  Outside shell in ATM (Advanced Thermo Material). >  Inside shell in eps. >  Lining in black breathable Japan material, A.S.P. (Antimicrobial Sanitized Protection) treated. >  Ventilation system consists of n. 1 aerator on the chin-guard and n. 1 upper aerator, both adjustable to keep a pleasant constant temperature inside. >  Visor injection moulded in polycarbonate, 2.2 mm thick, antiscratch and antifog treated. >  Snap visor detachment system. >  Snap chinstrap closure system >  Sizes available: from XS to XL. 1 - ANTISCRATCH AND ANTIFOG VISOR. 2 - BREATHABLE LINING A.S.P. TREATED 3 - SNAP VISOR DETACHMENT SYSTEM