AIRBRAKE Shaun White SE Frame Switch Lock Technology for the quickest & easiest lens change for any light condition Rigid Front Frame with Flexible O-Matter® Rear chassis Rigid Frame support to minimize optical distortion, eliminate nasal pressure & maximize airflow All day comfort of moisture wicking triple-layer polar fleece foam Balanced fit (with or without helmet) via Fixed O-Matter® Interchangeable Strap Outriggers Optimized to fit medium to large faces Lens Comes standard with two lens tints & case Fog elimination of dual vented lenses with F3 Anti-fog technology Tuned light transmission of Iridium lens coating (optional) UV protection of Plutonite® lens that filters out 100% of UVA/ UVB/ UVC & harmful blue light up to 400nm IRD = Iridium POL = Polished POLR = Polarized PERS = Persimmon