More protection. More comfort. More performance. The Instinct 2.0 benefits from the highest end technologies to give you the ultimate experience. Reinforced protection and an ultimate fit are key assets of this high end Bolle helmet. Adjustable Ventilation: Our adjustable ventilation system is easy to use and enables you to control the amount of air coming in your helmet. Opening channels below the shell it can be fine-tuned to give you the exact amount of ventilation you need for maximized comfort. Boa Fit System: Engineered to push performance further, the Boa Fit System provides micro-adjustability for fully customized comfort and unmatched stability. Dial in your perfect fit, stay in the moment and ride with comfort with Boa. Features: AVID Progressive EPS Adjustable Ventilation Audio Kit Compatible BOA Fit System Furry Lining Specifications: Fit: L-58-61, M-54-58, S-51-54 Weight: 410g Product Material: PC Frame Colour: Black Matte Lens Name: No Lens Reference Technologies: AVID Progressive EPS / Adjustable Ventilation / Audio Kit Compatible / BOA Fit System / Furry Lining / Neck Roll / Removable And Washable Lining / Supplied With Carry Bag Available with RX: No Bolle Instinct 2.0 Ski Helmet