Leupold Becnara Polarized Sunglasses - The Becnara fuses Leupold performance with everyday style. Polarized, shatterproof, rugged, and incredibly clear; they will never let you down. Any day or any adventure, the Becnara stands out in the field. Lens Material: Polycarbonate In-Fused Polarization - Eliminate the glare, not the adrenaline. Leupold's In-Fused polarized technology uses an advanced manufacturing process that fuses the polarization film between two of the lens layers. This process provides permanent polarized protection that won't scratch or deteriorate over time, so you'll never have to worry about slowing down Shatterproof Lens - Made from ballistic-rated materials, all performance eyewear frames are ultralight, flexible, and maintain structure under stress Guard-ion - Guard-ion is a hydrophobic lens coating that sheds dirt and water for a maintenance-free, clear, crisp image Daylight Max - Daylight Max provides UV protection for optimal performance in bright conditions Diamond Coat - DiamondCoat is a hardened surface coating that reduces surface scratches RX Ready - Compatible with prescription lens requirements Lifetime Gaurantee