Designed To Compliment Asian Facial Anatomy In Both Fit And Comfort, Internal Skeletal Support System For Reduced Nasal Pressure And Maximized Airflow, Semi-flush Lens Geometry For Improved Downward Visibility, Fast, Easy Lens Changing With Interchangeable Lens Design, Balanced Fit (with Or Without Helmet) Via O Matter Strap Outriggers, Maximum Peripheral Vision With Zero Obstruction From The Outriggers, Flexible O Matter Chassis With Quick-change Strap Attachment, Fog Elimination Of Dual Vented Lenses With F3 Anti-fog Technology, All-day Comfort Of Moisture Wicking Triple-layer Polar Fleece Foam, Plutonite Lens Material Offers 100% Uv Protection