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In nature, a King Tide requires the perfect alignment of Earth and moon to create once-in-a-lifetime views and opportunities for watermen. Like their namesake, the King Tide 6 is designed to give you the ultimate advantage on the water. ​ ​

Made for watermen who demand performance in every sport, the King Tide 6 features a medium wrap with removable side shields for optimal viewing on and off water. Shark-inspired venting achieves a near impossible zero-fog effect. Top of the line sweat management and drains keep your view dry and unobstructed. Non-skid hooding means they stay in place on any surface wet or dry. ​ ​

All this has made King Tide 6 the crowning achievement of Costa’s 40 years on the water, utilizing the research and innovations from every frame that came before it. ​ ​

​Rule the water.

Model name: King Tide 6
Item no: 6S9112 911204 58-17
Frame color: Black Pearl
Lens color: Gray
Lens material: Polarized Glass (580G)
Frame fit: Wide
Size: XL
Lens curve: Base 6
Size Fit Guide 1 Size Fit Guide 2
XL
1. Frame Width: 137 mm
2. Bridge Width: 17 mm
3. Lens Width: 58 mm
4. Lens Height: 46.9 mm
5. Temple Arm Length: 135 mm

Wide Fitting

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

6 Base Curve

6 Base Curve - Medium Coverage

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

Wide Fit
Wide

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S
M

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M
L

Middle Pegs?

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XL

Last Two Pegs?

You might be looking for an x-large frame.

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

King Tide 6

King Tide 6

King Tide Case

Cleaning Cloth