Features Curvature 6 Base Curvature Lens Type Polycarbonate Interchangeable C-Temple System Equipped with interchangeable cable temple attachments for a secure fit in extreme conditionsRope Lanyard System Removable nylon rope lanyard system attaches to temples to prevent loss Element Protection Sealed, multilayer, dual-sided, hydrophobic, oil-repellent, fog resistant, anti-smudge, scratch-resistant Includes Custom Hard Case with Mesh Accessories PocketCurvature
6 Base Curvature - The base curvature corresponds to the curve of the lens. The higher the number, the higher the curve. 6 base styles have a “flatter” look. 8-9 base curves hug closer to the face. Lens Type
Polycarbonate - Made of the toughest, most shatter resistant material. Light, comfortable and much more impact resistant than glass lenses.