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When the tide goes slack, so does the fishing. In Costa’s athleisure Slack Tide sunglasses you can move on to another spot to chase a different adventure. This laidback west coast inspired frame is infused with functional elements - Hydrolite® padding, pin hinge, ventilation and 580 Polarized, 100% UV Protection lenses so you can see through multiple tide changes.

Model name: Slack Tide
Item no: SLT 181 OGMP
Frame colour: Black/Shiny Tortoise
Lens colour: Green Mirror
Lens material: Polarised Polycarbonate (580P)
Frame fit: Regular
Size: XL
Nosepad adjustable: No
Lens curve: Base 6
Lens Category: 3P
Size Fit Guide 1 Size Fit Guide 2
XL
1. Frame Width: 137 mm
2. Bridge Width: 15 mm
3. Lens Width: 60 mm
4. Lens Height: 45 mm
5. Temple Arm Length: 130 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

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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

Green Mirror

Enhanced vision and contrast for fishing inshore and on flats.

  • Copper Base
  • 10% light transmission

Optimal usage

  • Sight fishing in full sun
  • High contrast

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® Polarised Lenses

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

U.S. PATENT NO. 7.506.977

Slack Tide

Slack Tide

Costa Case

Cleaning Cloth