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Costa Diego Matte Gray Sunglasses DGO-98


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At Costa, innovation is a way of life. Always looking for the next wave, the next catch, or the newest technological advancement in sport performance sunglasses, they never stop reaching. Costa's Diego frames utilize some of the most cutting edge features available on the market today. With a state-of-the-art vented spring hinge system to maximize airflow and enhance the fit, and sweat management channels that actually wick away moisture to keep you cool, these sunglasses are nothing short of an angler's best friend. Polarized, 100% UV Protection lenses keep your view sharp and the top and side shield details eliminate any light leak that might get in the way. And as always, every pair of Costa sunglasses comes with a Costa Case, cleaning cloth, and manufacturer's Limited Lifetime Warranty.

Features of Costa Diego Sunglasses

  • Glass or Polycarbonate Polarized Lenses
  • 580P Polycarbonate Lenses:
    • Costa C-WALL™ Lens Coating - Repels Oil, Water, Dust and Scratches
    • ANSI Z87.1 Rated
  • 580G Lightwave® Glass Lenses:
    • Superior Clarity and Ultra Scratch Resistant
  • 100% UV Protection
  • Co-Injected Bio-Based Nylon Frames
  • Co-Molded Hydrolite™ Temples and Nose Pads for a Secure Fit
  • Corrosion-Resistant, Flexible, Vented Dual Active Coil Spring Hinges
  • Laser Etched for Authenticity
Built By Hand
Setting themselves apart from the very beginning, nearly all Costa sunglasses are assembled by hand in their Daytona Beach, Florida, workshop. The building process includes no less than eight pairs of hands, all striving to maintain an attention to detail and adhering to the high standards Costa is known for. But at Costa they also know that you didn’t buy their products to stay still – and when something happens that isn’t covered by their Limited Warranties, Costa’s experts can quickly return frames and lenses to "like-new" standards*.
*See Costa’s website here for their terms, conditions, and associated fees with their Limited Warranties and their repair program.
Beyond Polarized
Most traditional Polarized lenses work by only blocking reflective light, but Costa did more. Their patented 580® lenses go the distance by blocking the ideal amount of harsh yellow light and potentially harmful blue light, while simultaneously enriching beneficial reds, blues and greens. This all adds up to less haze, less blur, and improved clarity and contrast. And if those innovations weren’t enough, they offer both a lightweight, impact resistant polycarbonate lens (580P), and a more traditional glass lens (580G). So no matter which Costa lens type you choose, your worldview is about to go hi-def.
Looking After What They Love
At Costa, they love the water and they love everything living in it. From their Indifly Foundation to their Kick Plastic® initiative, they devote a substantial amount of time, resources, and efforts, to conservation, raising awareness, protecting fisheries, and enriching water-based communities. Visit their Protect page for more information on all of the things that Costa does to help.


  • ANSI Z87.1 RatedNo
  • Lens ColorBlue Mirror 580G
    Blue Mirror 580P
    Copper Silver Mirror 580P
    Gray 580G
    Gray Silver Mirror 580G
    Green Mirror 580G
    Green Mirror 580P
    Sunrise Silver Mirror 580G
    Sunrise Silver Mirror 580P
  • Frame ColorMatte Gray
  • Frame MaterialNylon/Resin
  • Width146mm
  • Bridge Width15.8mm
  • Temple Length117.2mm
  • Lens Width61.7mm
  • Lens Height46mm
  • Polarized LensesYes
  • Item ConditionNew
  • MPNDGO-98

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