>  Outside shell extra-light made of tricompound material (carbon, aramidic fibre, fibreglass) in two measurements for ideal comfort for all sizes. >  Inside shell in eps. >  Lining removable and washable in grey microfibre material, A.S.P. treated. Non-deformable polyurethane cheek-pads. >  Noseguard protective and guard for spectacles. >  Ventilation system consists of n. 2 front aerators, n. 3 aerators on the chin-guard, n. 2 depressors at sides, n. 2 depressors at back and n. 1 extractor at back to keep a pleasant constant temperature inside. >  Fin at back aerodynamic acting as air extractor. >  Peak can be adjusted without using any equipment >  Strap secured by double-ring >  Sizes available: from XS to XL