Mainsail Polarized Sunglasses in Blue Mirror

Zoom in

Frame Color: Matte Black

Lenses : Blue Mirror Polarized Glass

Very bright sun Offshore fishing

Polarized Glass (580G)

Polarized Polycarbonate (580P)

Size :

Check size guide and fit guide

This is the most sold size

€246.00

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

For the performance and style you need on and off the water, our Mainsail frames are your go-to pair for every outing and adventure. Built with the same high-quality materials and features you want everywhere from the beach to the big blue, Mainsail frames help keep excess light out with micro side shields and hooding, your frames in place with improved Hydrolite™ grips on the temples and help keep sweat and water out of your eyes with eyewire drains and channels.The Mainsail frames are your day-to-day sunglasses that stay stylish while relaxed on land and ready for anything while out on water.

Model name: Mainsail

Item no: 6S9107 910701 55-18

Frame color: Matte Black

Lens color: Blue Mirror

Lens material: Polarized Glass (580G)

Frame fit: Regular

Size: L

Lens curve: Base 6

Size & Fit Guide

L
1. Frame Width: 136.2 mm
2. Bridge Width: 18 mm
3. Lens Width: 55 mm
4. Lens Height: 42.9 mm
5. Temple Arm Length: 136 mm

Regular Fitting

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

6 Base Curve - Medium Coverage

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

Regular

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

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

580® Polarized Lenses

580® lightwave glass

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

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

580® lightwave Polycarbonate

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

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

What's included in the order

Mainsail

Costa Case

Cleaning Cloth

How to choose lens material

From day one, our lenses have set us apart.
All Costa lenses have 100% UV blockage for maximum protection and 100% polarization to kill reflected glare.
Our 580 technology goes beyond polarization to produce the best lenses on the planet. It selectively filters out the harsh yellow and harmful high-energy ultraviolet blue light, making colors brighter and objects appear more defined.

So no matter what you are doing under the sun, you’ll see it in stunning detail. Glass lenses are best for situations that require ultimate clarity, and our plastic lenses are more cost effective while being more durable for more demanding applications without sacrificing clarity.

GLASS	POLYCARBONATE
Technology Our most high-tech lenses	Technology C-WALL coating repels oils, water and dust
Clarity Highest clarity	Clarity High clarity
Toughness Scratch resistant	Toughness Impact resistant
Protection 100% UV blockage for maximum protection	Protection 100% UV blockage for maximum protection
Polarization Premium polar efficiency virtually eliminates reflective glare	Polarization 100% Polarization kills reflected glare

OUR SELECTION

Rincon

Fantail

Sullivan

Rinconcito

Loreto

Reefton

COSTA STORIES

THE EDDIE® BIG WAVE INVITATIONAL

A Legend Remastered

Marlin Fly Project

Lens upgraded Added to cart!

See Beyond with Glass Lenses

{{'RECOMMENDED_FOR_YOU_MINICART' | getText}}

Mainsail

Frame Color: Matte Black

Lenses : Blue Mirror Polarized Glass

Product overview

Regular Fitting

6 Base Curve - Medium Coverage

Forgot Your Ruler?

All the Way?

Middle Pegs?

Last Two Pegs?

Blue Mirror

Optimal usage

Costa 580® lenses

580® lightwave glass

Superior clarity & Scratch-resistance

580® lightwave Polycarbonate

Lightweight, Impact-Resistant

Mainsail

Costa Case

Cleaning Cloth

SPECIAL OFFERS

Frequently bought together

Free Shipping

Free Returns

RECEIVE A WELCOME BENEFIT

THANK YOU FOR SUBSCRIBING!

COSTA
STORIES