In-Fused polarized technology uses an advanced manufacturing process that fuses the polarization film between two of the lens layers; Made from ballistic-rated materials, all performance eyewear frames are ultralight, flexible, and maintain structure under stress; ANSI Z87-2+ is a ballistic rating that meets or exceeds ANSI high-velocity impact standards for eye protection using prescription lenses; Guard-ion is a hydrophobic lens coating that sheds dirt and water for a maintenance-free, clear, crisp image; Provides all day comfort with no-slip, soft-touch rubber bridge pads; All Leupold Performance Eyewear feature optically decentered lenses; Daylight Max features enhanced light transmission and polarization to cut glare during early morning, late evening, or on overcast days; DiamondCoat is a hardened surface coating that reduces surface scratches; Compatible with prescription lens requirements