Gatorz Rig Vortex Sunglasses Black Frame Brown High Contrast MilSpec Ballistic Optimized Polarized Lens with Anti-Reflective Coating Black/Brown Large. At its core is the debut of the proprietary MILSPEC copper OPz Optimized Polarized lens built to reduce harsh glare and enhance target visibility by amplifying reds and greens for better environmental definition. Specifications for Gatorz Rig Vortex Sunglasses: Manufacturer: Gatorz Temple Length: 130 mm Frame Color: Black Lens Color: Brown Polarized: Yes Frame Material: Aluminum Lens Shape: Square Lens Finish: Anti-Reflective Coating Horizontal Frame Measurement: 145 mm Distance Between Lenses: 18 mm Package Contents: Gatorz Rig Vortex Sunglasses Gatorz GZ-53-488: Rig Vortex Sunglasses Black Frame Brown High Contrast MilSpec Ballistic Optimized Polarized Lens with Anti-Reflective Coating Black/Brown Large