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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.


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.

A true Mexican beauty, Isla Mujeres is known for its crystal-clear turquoise waters, whalesharks, diving and the white sand beaches of Playa Norte. Whether you’re snorkeling, searching for the perfect margarita or posting up on the sand in the shade of a palm tree, you’ll feel the elegance of Isla, a 100% UV protection lens in a medium round-shaped acetate frame in vibrant colors inspired by the ocean and reef.

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

Model name: Isla
Collection: Del Mar
Item no: ISA 261 OSCGLP
Frame color: Shiny Seashell
Lens color: Copper Silver Mirror
Lens material: Polarized Glass (580G)
Frame fit: Regular
Size: M
Nosepad adjustable: No
Lens curve: Base 6
Size Fit Guide 1 Size Fit Guide 2
M
1. Frame Width: 131 mm
2. Bridge Width: 19 mm
3. Lens Width: 54 mm
4. Lens Height: 46 mm
5. Temple Arm Length: 140 mm

Regular Fitting

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

6 Base Curve

6 Base Curve - Medium Coverage

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

Regular Fit
Regular

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

Copper Silver Mirror

Well-suited for stream fishing and other environments with varying light.

  • Copper Base
  • 12% light transmission

Optimal usage

  • Excellent for sight fishing
  • Everyday activities
  • Most versatile
  • Cloudy days

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

Isla

Isla

Cork Case

Costa Soft Case