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Costa Del Mar Ferg XL Polarized Sunglasses

Costa Del Mar

  • $321.00
    Unit price per 


+ -

Product Advantages


Premium Polarized 580 Lenses*
Filtering reflective glare is essential for anyone on the water or outdoors. We sell only polarized sunglasses.

100% UV Protection
Your Costas absorb 100% of UV light, providing you the best in light management and protection.

Scratch Resistant and Durable
The C-Wall coating provides extra scratch-resistance and a barrier that repels water, oil and sweat for easy cleaning.


Product details

Costa has always been about bringing the best innovations to waters all over the world. The frames bearing the name of our founder, Ray Ferguson, are full of them: top hooding and side shields, integrated textured Hydrolite® rubber, adjustable nose pads and our polarized 580® color-enhancing lens. And now this legendary design comes in a nearly 5% larger size, so everyone can sport it comfortably. The Ferg — now and always, nothing but the best.


  • Model name: Ferg XL
  • Item no: 06S9012 901201
  • Frame color: Matte Black
  • Lens color: Blue Mirror
  • Lens material: Polarized Glass (580G)
  • Frame fit: Wide
  • Size: XXL
  • Nosepad adjustable: Yes
  • Lens curve: Base 8 Decentered


Size & Fit Guide


Wide Fitting

A large lens front designed to fit those with a wide head.


8 Base Curve Decentered - Max Coverage

Frames with maximum-coverage and wrap that help reduce light leak.


Forgot Your Ruler?

Use this handy guide to gauge the fit you're looking for.


All the Way?

You might be looking for a small or medium frame.


Middle Pegs?

You might be looking for a medium or large frame.


Last Two Pegs?

You might be looking for an x-large frame.


Lens details and technology


Blue Mirror

Best for bright, full-sun situations on the open water and offshore.

  • Gray Base
  • 10% light transmission


Costa 580® lenses
Costa 580® lenses were designed by in-house light spectrum experts to enhance colors because standard sunglass lenses fell short.

The lens' multipatented technology
manages light by:

  • Absorbing Harmful High-Energy Blue Light (HEV)
  • Enhancing Reds, Greens, and Blues
  • Filtering Out Harsh Yellow


580® lightwave Polycarbonate

  • C-Wall® Molecular Bond
  • Glass Layer
  • Encapuslated Mirror
  • Polarized Film
  • Glass Layer
  • C-Wall® Molecular Bond


Superior clarity & Scratch-resistance

  • Glass Provides The Best Clarity In Material
  • Encapsulated Mirrors (Between Layers Of Glass) Are Scratch-Proof
  • 20% Thinner And 22% Lighter Than Average Polarized Glass




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