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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.


Adjustable Nose Pads

Fully-adjustable, nonslip nose pads were designed to further customize your fit and help reduce fogging.

Scratch Resistant and Durable

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


Del Mar

Sunglasses inspired by a life on the water, colors, patterns and textures that capture the spirit of the sea.

Timeless, quaint and beachy like the small Florida coastal town it's named for, Fernandina is a small metal frame with rounded lenses and acetate temples for added color. This unisex frame for smaller faces has premium 5-barrel hinges and comes in beautiful ocean- inspired colors.

Sunglasses inspired by a life on the water, colors, patterns and textures that capture the spirit of the sea. And because they come with 580 lenses, you'll be able to soak up every detail while you're soaking up the sun.

Model name: Fernandina
Collection: Del Mar
Item no: FER 226 OBMGLP
Frame color: Brushed Gold
Lens color: Blue Mirror
Lens material: Polarized Glass (580G)
Frame fit: Narrow
Size: S
Nosepad adjustable: Yes
Lens curve: Base 6
Size Fit Guide 1 Size Fit Guide 2
S
1. Frame Width: 126 mm
2. Bridge Width: 15 mm
3. Lens Width: 57 mm
4. Lens Height: 43 mm
5. Temple Arm Length: 132 mm

Narrow Fitting

A small lens front designed to fit those with a slightly narrow head.

6 Base Curve

6 Base Curve - Medium Coverage

Frames with medium-coverage and wrap that value style but still perform.

Narrow Fit
Narrow

Forgot Your Ruler?

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

S
M

All the Way?

You might be looking for a small or medium frame.

M
L

Middle Pegs?

You might be looking for a medium or large frame.

XL

Last Two Pegs?

You might be looking for an x-large frame.

Blue lens

Blue Mirror

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

  • Gray Base
  • 10% light transmission

Optimal usage

  • Boating and fishing in deep water
  • Open reflective water
  • Harsh sun

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
Without lenses With lenses
580® Polarized Lenses

580® lightwave glass

Costa 580G Lightwave Glass
  • C-Wall® Molecular Bond
  • Glass Layer
  • Encapuslated Mirror
  • Polarized Film
  • Glass Layer
  • C-Wall® Molecular Bond
Exploded view of 580G lens layers

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

U.S. PATENT NO. 6.334.680
U.S. PATENT NO. 6.604.824


580® lightwave Polycarbonate

Costa 580G Lightwave Polycarbonate
  • C-Wall® Molecular Bond
  • Mirror (Optional)
  • Polycarbonate Lens
  • Polarized Film
  • Polycarbonate Lens
  • C-Wall® Molecular Bond
Exploded view of 580P lens layers

Lightweight, Impact-Resistant

  • Polycarbonate & are your lightest and most durable lens material options
  • C-WALL® is a molecular bond which is scratch-resistant

U.S. PATENT NO. 7.506.977

Fernandina

Fernandina

Cork Case

Costa Soft Case