The original Line Miner goggle was created with the purpose of providing the ultimate in peripheral vision, with a cylindrical-style design. We were able to pull the goggle in closer to your face than ever before, allowing for incredible downward and side-to-side periphery. With a mid-sized fit, Line Miner M is optimized for a wide variety of faces and is engineered to fit perfectly with most helmets.Features:- Microbag Included For Storage And Lens Cleaning- Discreet Frame Notches At Temples Provide Compatibility With Most Prescription Eyewear- Wide 4mm Wide Adjustable Strap With Silicone Lining For A More Secure Fit- Flexible O Matter® Chassis Conforms To Your Face Comfortably, Even In Extreme Cold- Low-Profile Frame Design Provides Increased Visibility And Improved Helmet Compatibility- All-Day Comfort Of Triple-Layer Face Foam With Moisture Wicking Polar Fleece Lining- Injection-Molded Plutonite® Lens Material Provides 100% Protection Against Uva / Uvb / Uvc & Harmful Blue Light Up To 400nm- Optically Correct Dual Lens With F3 Anti-Fog Coating- Glare Reduction And Tuned Light Transmission Of Iridium® Lens Coating- Meets Impact Requirements Based On Ansi Z87.1 And En 166 StandardsSpecifications:Lens Details:- Light Transmission: 5.5%- Light Conditions: Bright Sun- Contrast: Increased