BREAKLINE OPTICS Bertha Sunglasses Gunmetal Tortoise / Copper /No Mirror. True to its name this powerhouse design offers maximum coverage with oversized temples and a commanding performance. Its crafted to block out all distracting light so you can focus on what really matters. Breakline Optics delivers more than just style - you get all-day comfort and crystal-clear vision. Cast-molded Duraclear Trivex polarized lenses are equipped with front and back side anti-reflective (AR) coatings that stops glare before it starts; stronger durability than polycarbonate with the clarity of glass. These lenses provide strain-free all-day comfort for your eyes. Specifications for BREAKLINE OPTICS Bertha Sunglasses: Manufacturer: BREAKLINE OPTICS Application: Outdoor Age Group: Adults Gender: Unisex Polarized: Yes Frame Type: Regular Fit Frame Material: Grilamid TR90 Lens Material: Castmolded Duraclear Trivex Distance Between Lenses: 16 mm Package Contents: BREAKLINE OPTICS Bertha Sunglasses Clamshell Case Cleaning Wipe Retainer Sticker BREAKLINE OPTICS BL-BER-GT-COP-P.03: Bertha Sunglasses Gunmetal Tortoise / Copper (No Mirror)