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Fast Lanes

Matte Black / Smoke

$20.00 $12.00

Lens Style

The lenses of polarized sunglasses reduce glare reflected at some angles off shiny non-metallic surfaces, such as water. They allow wearers to see into water when only surface glare would otherwise be seen, and eliminate glare from a road surface when driving into the sun.



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  • The original affordable sunglasses company

Whether you rock them in a suit, black tux or dress, or in your swimsuit by the pool, there’s pretty much no denying that these black-on-black Knockarounds will add an extra cool factor to your overall style. Every pair starts with our high-powered Knockaround Fast Lanes frame—featuring our always-popular clean-cut, rectangular lenses that are perfect for almost any face shape—and gets the classic Knockaround treatment with our matte black frames and smoke lenses. Kick them up a few gears by adding polarized lenses. All Knockaround sunglasses are unisex, affordable, and made for durability. They can handle the heat.

  • Matte black frames
  • White K logos
  • Smoke lenses. Polarized option available
  • UV400 protection
  • FDA approved impact resistant lenses with laser etch logo detail
  • Protective pouch included
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Featuring clean-cut, rectangular lenses, these sunglasses look great on medium to larger face shapes.

Lens Width 53 mm
Lens Height 44 mm
Nose Bridge 17 mm
Arm Length 142 mm
Fast Lanes sizing chart

Knockaround is committed to customer satisfaction. We want to assure you are 100% satisfied with the product you purchased, which is why we offer a 30 day return / exchange period.

  • Returned / exchanged items must be in 100% resalable condition (unworn, unused, undamaged)
  • Timeframe begins at original purchase date
  • All returns and exchanges must be initiated from original point of sale (i.e.: Knockaround.com)

We do NOT currently accept returns or exchanges on Custom Shop orders, Limited Editions, Collaborations, Knock Boxes, Sale Items, or any international orders. All sales of those items are final.

To see full Return Policy information and instructions on how to initiate a return or exchange, visit our Returns page.

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