The Anon Men's Insurgent Goggles have a refined style with a panoramic view. A large to medium fit and superior optics from their spherical lens construction. The Insurgent has full parameter venting and comfortable Triple Layer Face Foam. All anon frames are engineered with helmet compatibility as an integral design consideration. The Blue Lagoon (68% VLT) Lens is for Greybird days and low light conditions. All anon. lenses provide 100% protection from harmful UV rays and exceed ANSI Z87.1 impact test standards.