Internal Skeletal Support System To Minimize Nasal Pressure And Maximize Airflow, Flexible O Matter Chassis That Conforms To Your Face, Balanced Fit (with Or Without Helmet) Via Fixed O Matter Strap Outriggers, All-day Comfort Of Moisture Wicking Triple-layer Polar Fleece Foam, Fog Elimination Of Dual Vented Lens With F3 Anti-fog Technology, Plutonite Lens Material Offers 100% Uv Protection