Characteristics Anti-fog protection: Yes Shatterproof lens: Yes Impact resistance: Yes Head circumference range: 55 - 59 cm Contrast Enhancement: Yes Suitable for glasses wearers: Yes Sports headgear type: Helmet Head protection: Yes Ventilation: Yes Wind protection: Yes Eye protection: Yes UV resistance: Yes Mirror function: Yes Activity: Skiing Design Materials Wool Hi-Eps Polycarbonate Main product color: Black Ventilation holes: Yes Construction type: Hard shell Insole material: Sheep wool Elastic straps: Yes Neck warmer: Yes Removable interior: Yes Extended product color: Gray Movable visor: Yes Lens color: Gold Lens type: Quattroflex Lite Sun visor: Yes Removable earpads: Yes Finish: Matte Type of fastening: Buckle Adjustment system: RUN system with dial/Y-Clip strap attachment/FIDLOCK magnetomechanical closure Goggle lens type: Double lens