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Product details

Description

Featuring clean-cut, rectangular lenses, these sunglasses are durable, lightweight, and were built with an edge. Great for medium-sized heads, the Black Fast Lanes Sport Rx offer a sleek, smart look with an extra dash of modern.

  • Matte black frames
  • White K logos
  • Black rubber nose pads
  • Single vision or progressive
  • Lenses available in a variety of colors
  • All sunglasses lenses are polarized
  • Digital lens technology offers sharper image quality and enhanced contrast
  • Correction available in -6 to +3*
  • Astigmatism correction available to -4.00
  • Pupillary distance available in 57-80mm**
  • Scratch resistant coating
  • Anti-reflective coating
  • FDA compliant impact-resistant polycarbonate lenses
  • UV400 protection
  • Lightweight
  • Unisex
  • Hard shell case and microfiber pouch included
  • Prescription eyewear is available for U.S. customers only


*Correction available may vary per prescription and frame style selection. Our technicians will verify your eligibility before your order goes to production and will contact you with any issues.
**Some PD restrictions may apply on specific frames. A large disparity between customer PD and frame PD will increase thickness of final product.

Frame & Lens Info

Frame Shape: Square

Frame Finish: Matte

Lens Tech: Prescription

Product Dimensions

Recommended Face Size: Medium to Large

Frame Height: 49 mm

Frame Width: 148 mm

Lens Width: 56 mm

Nose Bridge Width: 15 mm

Temple Length: 142 mm

Man and woman at the beach wearing Knockaround sunglasses

Who we are

Sun and San Diego

Born, raised, and bathed in San Diego sunshine, Knockaround is the original, affordable sunglasses brand. Since 2005 we’ve committed to making durable shades that are both practical and stylish. Our stellar customer service and ever-growing selection of high-quality eyewear have made us not just hometown favorites, but go-to’s across the globe!

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average rating 5.0 out of 5
Based on 2 reviews
  • 5 Stars
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100% of reviewers would recommend this product to a friend
Fit
Rated 0 on a scale of minus 2 to 2, where minus 2 is Too Small, 0 is Like a glove and 2 is Too Big
Review posted
Reviewed by Josh T.
Verified Buyer
Face Shape
Oval
Face Size
Medium
Rated 5 out of 5

Knockarounds for the win

I purchased these with prescription for my wife and she loves them. They look good. I really enjoy knockarounds. They make quality products that are stylish and affordable.

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Fit
Rated 0 on a scale of minus 2 to 2, where minus 2 is Too Small, 0 is Like a glove and 2 is Too Big
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Review posted
Reviewed by Keith K.
Verified Buyer
Face Shape
Oval
Face Size
Medium
Rated 5 out of 5

The glasses are way above expectations!

The frame was comfortable and sturdy. The lenses were exactly what I ordered and very stylish. This is not a paid review. I was skeptical about ordering these glasses but I will definitely be ordering, again! Take a bow, Knockaroumd!

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I recommend this product
Fit
Rated 0 on a scale of minus 2 to 2, where minus 2 is Too Small, 0 is Like a glove and 2 is Too Big
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