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Product details

Description

The Polar Plunge Fast Lanes capture the exhilarating rush of cold that can invigorate the soul and sharpen the mind. With a semi-transparent frame that transitions from dark to icy blue, these sunglasses mimic the deep hues of polar twilight merging into the crystalline frost of ice. Reflective Below-Freezing Blue lenses enhance this chilling effect. A polar bear etched on the lens and silver "K" logos add a frosty flair, while each pair comes with a custom frozen waterway microfiber pouch, perfect for storing your gear after a bold, cold plunge into the icy abyss.

  • Polarized, reflective Below-Freezing Blue lenses
  • Full UV400 eye protection
  • Semi-transparent dark to icy blue frame
  • Crystalized ice pattern embedded into the finish glossy finish
  • Silver K logos
  • Frozen waterway microfiber lens cleaning pouch included
  • FDA compliant impact resistant lenses
Frame & Lens Info

Frame Shape: Square

Frame Color:

Lens Tech: Polarized

Lens Color:

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

Shipping & Returns

We ship Monday to Friday from our warehouse here in San Diego, CA, with the exception of holidays. For most standard orders, shipping takes about 5-7 business days depending on your selected carrier method at checkout (please allow up to 12 days for custom shades). Get your order sooner with our priority mail, 2nd day air, or overnight domestic shipping options. Once your order has been handed off to the carrier, you’ll receive a shipping confirmation email with your tracking information.


We also offer easy, free returns within 30 days of purchase for most products, with the exception of Custom Shop, Limited Editions, promotional items, and international orders. Check out our Help Center’s FAQ on returns for more information.


Questions? Shoot an email to support@knockaround.com, and we’ll get back to you ASAP!

Sustainability

In 2022, Knockaroud officially became Plastic Neutral—for every pound of plastic we use, we remove one pound from the environment elsewhere. But that’s far from where our sustainability efforts end. We’ve also implemented minimalist, recycled packaging, eliminated single-use plastics, and included recycled materials in our products whenever possible. There’s always more progress to be made, but we’re committed to putting in the work.

Polar Plunge Blurb Image

Polar Plunge

Dare the depths of winter with the Polar Plunge Fast Lanes, where every shimmer of ice and sparkle of snow transforms the world into a crystal palace. These sunglasses are your portal to the frost-bitten wonderlands where the air is crisp and the skies a clear winter blue. As adventurers brave the icy waters in a ceremonial plunge, these lenses guard not just against the sun's glare but the enigmatic allure of the polar realms. Venture forth, feel the chill as a whisper of the wild, and let every snowflake tell its tale. With Polar Plunge Fast Lanes, the spirit of winter is not just seen—it's felt.

Stay Glare Aware

Polarized Lenses

Polarized lenses cut glare by filtering out horizontal light waves, like the ones that bounce off water or the road. Without this glare, you’re left with a more gentle view and reduced eye strain, not to mention crisper, cleaner details!

non polarized lenses

Non-Polarized

polarized lenses

Polarized

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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4ocean plastic neutral commitment

Committed to Sustainability

Knockaround is Plastic Neutral

Making high-quality shades is the core of what we do, but inevitably that means we contribute to excess plastic byproduct. The idea of being a net drain on the environment doesn’t sit well with us, so we partnered with 4ocean to maintain plastic neutrality and work further to improve the environmental friendliness of our process.

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average rating 5.0 out of 5
Based on 40 reviews
  • 5 Stars
    39 Reviews
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    1 Review
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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
Customer photos and videos
Review posted
Reviewed by Patrick M.
Verified Buyer
Face Shape
Round
Face Size
Medium
Rated 5 out of 5

Great glasses

Love the color

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Reviewed by Chris
Rated 5 out of 5

5 Stars

Love these glasses and this brand!! I wish they would make their customs in all of their different frames. Otherwise, they’re awesome!!!

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Review posted
Reviewed by Kevin C.
Verified Buyer
Face Shape
Oval
Face Size
Medium
Rated 4 out of 5

Return

Love the sunglasses the only reason for four stars instead of five is because they didn’t fit quite properly. I should’ve navigated the site better to see the actual pictures of people wearing the styles of glasses. But I am looking very much forward to the next pair being sent to me because the return was handled so easily and seamlessly.. And lastly, you gotta give it up to these guys, when I submitted,my return I had acquired a bunch of bonus points and got another seven dollars off my order which was fantastic!

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Fit
Rated 2 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 Jack G.
Verified Buyer
Face Shape
Round
Face Size
Medium
Rated 5 out of 5

Love them

Makes me feel cool in the hot sun

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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 Sean B.
Verified Buyer
Face Shape
Oval
Face Size
Medium
Rated 5 out of 5

Even better in real life

Colors are even more vivid and distinct than the pictures reflect. Perfect fit. Lots of compliments so far

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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 Justine
Rated 5 out of 5

5 Stars

Comfortable fit with undeniable style

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Review posted
Reviewed by Patti C.
Verified Buyer
Face Shape
Round
Face Size
Medium
Rated 5 out of 5

Polar plunge

Cool color, great fit and love the polarized lenses.

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Review posted
Reviewed by Bobbie C.
Verified Buyer
Face Shape
Round
Face Size
Large
Rated 5 out of 5

Love them!

I have to many Fastlanes I can’t even count. They are my favorite style. Love the color and how iridescent they are. I have a larger head shape and this style fits my rounder face the best.

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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 Charles G.
Verified Buyer
Face Shape
Oval
Face Size
Medium
Rated 5 out of 5

Perfect!

Perfect fit. Had guests over this weekend and they immediately placed an order for these!

Great Product!

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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 Scott C.
Verified Buyer
Face Shape
Round
Face Size
Large
Rated 5 out of 5

Super cool finish

Very comfy. Perfect finish. Amazing colors

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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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