Ridge Line Pairs A Jumbo Cylindrical Lens With A Low-Profile, Ultra-Sleek Frame Design For An Incredible Field Of View. We Flattened The Brow Line Of The Frame To Create A Seamless Integration With Oakley Helmets. Available In Three Sizes, This Sutro-Inspired Design Offers Style And Function For Any Face Size. Ridge Line L Is Designed For A Large-Sized Fit.Features:- Helmet Integration: By Flattening The Top Of The Goggle, Ridge Line Is Designed To Provide Optimal Integration With Oakley Helmets.- High Definition Optics®: Designed To Offer Truer, More Accurate Vision Versus Conventional Lenses.- Low-Profile Frame Design: Cylindrical Lens Designed To Provide Increased Visibility And Improved Helmet Compatibility.- Rx Compatibility: Designed To Fit Most Prescription Glasses Underneath The Goggle.- Large Fit: 50mm Adjustable Strap With Silicone Lining For A More Secure Fit On Large-Sized Heads.- Triple-Layer Face Foam: All-Day Comfort With Moisture-Wicking Polar Fleece Lining.- Impact Protection: Plutonite® Lens Designed To Meet Impact Requirements Based On Ansi Z87.1 And En 166 Standards ForUltimate Protection