Costa Del Mar Fly Line Polarized Sunglasses

Costa Del Mar

  • $260.00
    Unit price per 


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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

Fly Line is made for watermen looking for a tool with proven performance features, wrapped in a modernized design. Taking overall fit inspiration from our best-selling performance frame, Reefton, Fly Line features an 8 base wrap that provides coverage and protection from the elements. Double injected hydrolite on the nose and temple tip aids in comfort & retention, allowing you to better focus on the task at hand.  Retainer ready temple tips allow users to affix any retainer of their choice to ensure their frames aren’t lost while exploring.



  • Model name: Fly Line
  • Item no: 6S9129 912912 64-13
  • Frame color: Matte Tortoise
  • Lens color: Gold Mirror
  • Lens material: Polarized Glass (580G)
  • Frame fit: Regular
  • Size: L
  • Lens curve: Base 8 Decentered



Regular Fitting

A large lens front designed to fit those with an average-sized head.


8 Base Curve Decentered - Max Coverage

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


Lens details and technology


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
  • Mirror (Optional)
  • Polycarbonate Lens
  • Polarized Film
  • Polycarbonate Lens
  • C-Wall® Molecular Bond


Lightweight, Impact-Resistant

  • Polycarbonate & the lightest, most durable lens material option
  • C-WALL® is a molecular bond which is scratch-resistant




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