The Mirage Combines Single-Zone Adjustable Venting With Lightweight In-Mold Construction For A Helmet Experience That Is Reduced Down To Just What You Need For A Day On The Hill. The Dial-Fit System And Cozy Long-Fleece Liner Ensure That You Are Comfortable And Warm. The Mirage Exemplifies Our Belief That Every Detail Should Be Considered.Features:Protection:- Lightweight In-Mold Construction- Aerocore™ Construction Featuring Koroyd®- Regulator Adjustable Climate Control- 14 Vents- Mips® System Available In All ColorsFit:- Adjustable Dial Fit System (Dfs2)- Super Soft, Furry Tricot Lining- Snapfit Sl Ear PadsIntegration:- Airevac™ Ventilation- Audio Compatible Ear PadsSpecifications:- Certification: Astm F 2040, Ce En 1077:2007- Weight: 16 Oz / 450 Grams