Oakley Fall Line M Ski Goggles deliver a mid-sized, helmet-compatible design with Prizm lens technology for enhanced contrast and improved on-slope visibility. Key attributes: Matte Black | O Matter | Enhanced contrast with Prizm lenses | Wide field of view | Durable polycarbonate lens | Ridgelock quick-change lens system | Adjustable strap | Secure lens seal | Cylindrical lens profile | Rimless design | Mid-sized frame optimized for a variety of faces | Dimensions & fit: Mid-sized fit | Helmet-compatible | Composition & care: O Matter | Polycarbonate