In-Mold Technology; HEAD Visor Construction is a wind-sealed UV protective shield that allows skiers to ride wearing prescription glasses; The 360deg Microshell is a polycarbonate layer, which three-dimensionally wraps around the lower helmet lip, that prevents scratches and dents in the helmet's foam; The opening of the ventilation ducts on the top of the helmet may be adjusted continuously by means of a slide control; Microfur is both warming and comfortable on the skin; The soft Microfleece material of the Beanie Liner adapts perfectly to the head and thus avoids any bruises and the unpleasant entering of cold air; The patented Sphere Fit system is a free-hanging fit system; The BOA Fit System allows you to adapt the helmet perfectly to your head, creating a snug and comfortable fit without any pressure; The Neckgator provides comfort and warmth to the helmet wearer; The washable earpads of this model can be taken out to suit the variable weather conditions and for cleaning