All of our sunglasses offer full UV400 protection which covers both the UVA and UVB spectrum. Knockaround sunglasses are not ANSI Z87.1+ rated. While our lenses are impact-resistant and designed for everyday lifestyle wear, they have not been tested

<h2 id="uv400-protection">UV400 Protection</h2><p>All of our sunglasses offer full UV400 protection which covers both the UVA and UVB spectrum.</p><h2 id="sunglasses-category">Sunglasses Category</h2><ul><li>Sunglasses lenses are categorized from 0 to 4. Knockaround sunglasses fall under category 3 which work best in above average light conditions and offer high sun glare reduction. Blue Light Blocker lenses fall under category 1, while Readers lenses fall under category 0. Although blue light blockers and readers are category 0 and 1, they do have a UV400 protective coating.</li></ul><p>Knockaround sunglasses are <strong>not ANSI Z87.1+ rated</strong>. While our lenses are impact-resistant and designed for everyday lifestyle wear, they have not been tested or certified to meet the <strong>ANSI Z87.1+ safety standard</strong> required for occupational or industrial protective eyewear.</p><h2 id="lens-types">Lens Types</h2><h3 id="polarized-lenses">Polarized Lenses</h3><ul><li>Polarized lenses greatly reduce glare, making them ideal for fishing and everyday wear</li><li><em>Most</em> of our polarized sunglasses have polarized TAC (Tri Acetate Cellulose) lenses.</li></ul><h3 id="non-polarized-lenses">Non-Polarized Lenses</h3><ul><li>Non-polarized lenses do not alter depth perception and provide optimal clarity and contrast, making them ideal for sports like snowboarding, baseball, golfing, and cycling.</li><li>These lenses are made of Polycarbonate material</li><li>The following Knockaround lenses are non-polarized:<ul><li>Blue light blockers</li><li>Readers</li><li>Knockterra</li><li>Knockterra+</li></ul></li></ul><p>Check out all of our Non-Polarized options <a href="https://knockaround.com/collections/non-polarized-sunglasses">HERE</a>.</p><h3 id="knockterra">Knockterra</h3><p>When you need to perform at your peak, sometimes a non-polarized lens can actually <em>enhance your edge</em>. Athletes that rely on depth perception (golfers, baseball players, mountain bikers, etc.) benefit from a bit of glare, which helps to determine things like distance, depth, contrast, slope, surface conditions, and more.</p><ul><li>Non-polarized with water-resistant and oil-resistant lens</li><li>Do not alter depth perception and provide optimal clarity and contrast.</li><li>These lenses are made of polycarbonate, which is a super strong and upgraded material.</li><li>These lenses offer 100% UV protection, just like all Knockaround sunglasses.</li></ul><p>Check out all available frames with <strong>Knockterra</strong> lenses <a href="https://knockaround.com/collections/knockterra-sunglasses">HERE</a>.</p><h3 id="knockterra-1">Knockterra+</h3><p>For those seeking the highest level of color enhancement available, we are excited to introduce Knockterra+&#x2122; Lens Tech. Including water-resistant and oil-resistant capabilities <em>as well as</em> a color-enhancing filter, these ensure that greens <em>really</em> pop when you need it most. Purposefully non-polarized, they also allow for enhanced depth perception for reading putts like a pro. As always, these lenses are impact resistant and provide full UV400 protection.</p><ul><li>Non-polarized polycarbonate lenses with water-resistant and oil-resistant capabilities</li><li>Do not alter depth perception and provide optimal clarity and contrast.</li><li>These lenses are made of polycarbonate, which is a super strong and upgraded material.</li><li>These lenses offer 100% UV protection, just like all Knockaround sunglasses.</li><li>Knockterra+ lenses enhance greens for optimal performance while golfing.</li><li>Color enhancing properties</li></ul><p>Check out all available frames with <strong>Knockterra+</strong> lenses <a href="https://knockaround.com/collections/knockterra-plus-sunglasses">HERE</a>.</p><p>For additional questions, please head to our <a href="https://knockaround.com/pages/contact-us" target="_blank" rel="noopener noreferrer" id="isPasted"><em>Contact Form</em></a>.</p>

Questions About Lenses?

Spring hinges are offered on our Fort Knocks, Torrey Pines and Brightsides sunglasses. They allow for a versatile fit on a variety of head shapes / sizes and are often a favorite amongst those with a larger head size. Here is a video showing what to

<p>Spring hinges are offered on our Fort Knocks, Torrey Pines and Brightsides sunglasses. They allow for a versatile fit on a variety of head shapes / sizes and are often a favorite amongst those with a larger head size.</p>
<p>Here is a video showing what to expect of your spring hinges and what is considered &quot;normal movement&quot; on these unique hinges. </p>
<div style="padding:56.25% 0 0 0;position:relative;"><iframe allow="autoplay; fullscreen; picture-in-picture" allowfullscreen frameborder="0" src="https://player.vimeo.com/video/845130528?badge=0&amp;autopause=0&amp;player_id=0&amp;app_id=58479" style="position:absolute;top:0;left:0;width:100%;height:100%;" title="Spring Hinges"></iframe></div>
<script src="https://player.vimeo.com/api/player.js"></script>

What are Spring Hinges?

The amount of light that reaches your eyes through your lenses is called Visible Light Transmission (VLT). Sunglasses lenses are categorized from 0 to 4 and Knockaround sunglasses fall under category 3 which work best in above average light condition

<h2 id="what-is-the-vlt-when-it-comes-to-sunglasses-lenses"><strong>What is the VLT% when it comes to sunglasses lenses?</strong></h2><p>The amount of light that reaches your eyes through your lenses is called&#xA0;<strong>Visible Light Transmission</strong> (VLT). Sunglasses lenses are categorized from 0 to 4 and Knockaround sunglasses fall under category 3 which work best in above average light conditions and offer high sun glare reduction. Category 3 sunglasses will have a VLT % between 8% and 18%.</p><p><strong>A lower VLT percentage means less light passes through, while a higher VLT percentage means more light passes through.</strong> Please note - The &apos;tint color&apos; is the color the wearer sees when wearing the sunglasses.</p><ul><li>08&#x2013;18%: For full sun</li><li>03&#x2013;07%: For extreme sun</li><li>43&#x2013;79%: For overcast or stormy conditions</li><li>19&#x2013;42%: For days with mixed clouds</li><li>80&#x2013;90%: For skiing or snowboarding at night</li></ul><table><thead><tr><th><br></th><th><br></th><th><br></th><th><br></th><th><br></th></tr></thead><tbody><tr><td><strong>Lens Color</strong></td><td><strong>VLT</strong></td><td><strong>Category</strong></td><td><strong>Lenses Tint</strong></td><td><strong>Tint Color</strong></td></tr><tr><td>Silver Smoke</td><td>9.57%</td><td>3</td><td>Dark Tint</td><td>Smoke</td></tr><tr><td>Morning Moonshine</td><td>9.79%</td><td>3</td><td>Dark Tint</td><td>Smoke</td></tr><tr><td>Yellow Green</td><td>9.97%</td><td>3</td><td>Dark Tint</td><td>Amber</td></tr><tr><td>Aviator Green</td><td>11.20%</td><td>3</td><td>Dark Tint</td><td>Green</td></tr><tr><td>Yellow Blue Knockterra</td><td>11.26 %</td><td>3</td><td>Dark Tint</td><td>Amber</td></tr><tr><td>Pink</td><td>11.69%</td><td>3</td><td>Dark Tint</td><td>Green</td></tr><tr><td>Yellow</td><td>11.91%</td><td>3</td><td>Dark Tint</td><td>Amber</td></tr><tr><td>Moonshine</td><td>12.12%</td><td>3</td><td>Dark Tint</td><td>Amber</td></tr><tr><td>Silver Smoke Knockterra</td><td>12.19 %</td><td>3</td><td>Dark Tint</td><td>Smoke</td></tr><tr><td>Aqua</td><td>12.28%</td><td>3</td><td>Dark Tint</td><td>Smoke</td></tr><tr><td>Sunset</td><td>12.28%</td><td>3</td><td>Dark Tint</td><td>Amber</td></tr><tr><td>Yellow Blue</td><td>12.39%</td><td>3</td><td>Dark Tint</td><td>Amber</td></tr><tr><td>Smoke</td><td>12.45%</td><td>3</td><td>Dark Tint</td><td>Smoke</td></tr><tr><td>Caribbean Moonshine Knockterra</td><td>12.48 %</td><td>3</td><td>Dark Tint</td><td>Smoke</td></tr><tr><td>Green Moonshine</td><td>12.87%</td><td>3</td><td>Dark Tint</td><td>Smoke</td></tr><tr><td>Rainbow Knockterra</td><td>12.88 %</td><td>3</td><td>Dark Tint</td><td>Smoke</td></tr><tr><td>Smoke Knockterra</td><td>13.34 %</td><td>3</td><td>Dark Tint</td><td>Smoke</td></tr><tr><td>Red Sunset</td><td>13.74%</td><td>3</td><td>Dark Tint</td><td>Amber</td></tr><tr><td>Rainbow</td><td>13.95%</td><td>3</td><td>Dark Tint</td><td>Smoke</td></tr><tr><td>Mint / Caribbean Moonshine</td><td>14.00%</td><td>3</td><td>Dark Tint</td><td>Smoke</td></tr><tr><td>Peach</td><td>14.22%</td><td>3</td><td>Dark Tint</td><td>Amber</td></tr><tr><td>Snow Opal</td><td>14.33%</td><td>3</td><td>Dark Tint</td><td>Green</td></tr><tr><td>Pink Sunset</td><td>14.44%</td><td>3</td><td>Dark Tint</td><td>Amber</td></tr><tr><td>Twilight Fade</td><td>14.52%</td><td>3</td><td>Dark Tint</td><td>Blue</td></tr><tr><td>Carribbean Blue</td><td>14.64%</td><td>3</td><td>Dark Tint</td><td>Smoke</td></tr><tr><td>Rose Gold/Copper</td><td>14.72%</td><td>3</td><td>Dark Tint</td><td>Amber</td></tr><tr><td>Fuchsia</td><td>14.93%</td><td>3</td><td>Dark Tint</td><td>Smoke</td></tr><tr><td>Dark Green</td><td>15.48%</td><td>3</td><td>Dark Tint</td><td>Smoke</td></tr><tr><td>Red Sunset Knockterra</td><td>15.52 %</td><td>3</td><td>Dark Tint</td><td>Amber</td></tr><tr><td>Lilac</td><td>15.59%</td><td>3</td><td>Dark Tint</td><td>Smoke</td></tr><tr><td>Evergreen Knockterra+ (Color Enhancing)</td><td>15.65 %</td><td>3</td><td>Dark Tint</td><td>Aviator Green</td></tr><tr><td>Sky Blue</td><td>15.72%</td><td>3</td><td>Dark Tint</td><td>Smoke</td></tr><tr><td>Olive Green</td><td>15.84%</td><td>3</td><td>Dark Tint</td><td>Smoke</td></tr><tr><td>Gold</td><td>15.87%</td><td>3</td><td>Dark Tint</td><td>Smoke</td></tr><tr><td>Smoke Gradient</td><td>16.19%</td><td>3</td><td>Dark Tint</td><td>Smoke</td></tr><tr><td>Red Monochrome</td><td>16.82%</td><td>3</td><td>Dark Tint</td><td>Smoke</td></tr><tr><td>Amber</td><td>17.07%</td><td>3</td><td>Dark Tint</td><td>Brown</td></tr><tr><td>Amber Gradient</td><td>17.61%</td><td>3</td><td>Dark Tint</td><td>Brown</td></tr><tr><td>Light Moonshine Knockterra+ (Color Enhancing)</td><td>21.73%</td><td>2</td><td>Medium Tint</td><td>Smoke</td></tr><tr><td>Sangria Fade Tint</td><td>27.34%</td><td>2</td><td>Medium Tint</td><td>Rose</td></tr><tr><td>Lemon Lime Tint</td><td>28.69%</td><td>2</td><td>Medium Tint</td><td>Green</td></tr><tr><td>Rose Knockterra+ (Color Enhancing)</td><td>36.26%</td><td>2</td><td>Medium Tint</td><td>Rose</td></tr><tr><td>Ocean Breeze Tint</td><td>46.12%</td><td>1</td><td>Light Tint</td><td>Blue</td></tr><tr><td>Sage Tint</td><td>60.54%</td><td>1</td><td>Light Tint</td><td>Green</td></tr><tr><td>Yellow Blue Light Blockers**</td><td>78.59%</td><td>1</td><td>Light Tint</td><td>Yellow</td></tr><tr><td>Clear Blue Light Blockers**</td><td>89.63%</td><td>0 (no anti-glare, blocks 25%-30% blue light)</td><td>None or very light tint</td><td>/</td></tr></tbody></table><p><br>For additional questions, please head to our&#xA0;<a href="https://knockaround.com/pages/contact-us" target="_blank" rel="noopener noreferrer" id="isPasted"><em>Contact Form</em></a>.</p>

What is VLT Percentage and the Lens Tint Colors of Your Sunglasses?

The short answer is no. Unfortunately, Limited Editions are never restocked. Once they are sold out, they are gone for good. However we do release a new Limited Edition once every month or so. For additional questions, please head to our Contact Form

<p><span style="font-family: Arial, Helvetica, sans-serif; font-size: 16px;">The short answer is no. Unfortunately, Limited Editions are never restocked. Once they are sold out, they are gone for good.&#xA0;</span><span style="font-family: Arial, Helvetica, sans-serif; font-size: 16px;">However we do release a new Limited Edition once every month or so.</span></p><div class="LRmd LRme" data-slate-node="element" data-test-slate-type="line"><span style="font-family: Arial, Helvetica, sans-serif; font-size: 16px;"><br>To stay up to date on any and all new releases be sure to follow us on Instagram, &apos;Like&apos; us on Facebook or subscribe to our </span><span style="font-family: Arial, Helvetica, sans-serif; font-size: 16px;"><a href="https://knockaround-1.myklpages.com/p/subscribe" target="_blank" rel="noopener noreferrer">email newsletter</a></span><span style="font-family: Arial, Helvetica, sans-serif; font-size: 16px;">.</span></div><p><br></p><p>For additional questions, please head to our&#xA0;<a href="https://knockaround.com/pages/contact-us" target="_blank" rel="noopener noreferrer" id="isPasted"><em>Contact Form</em></a>.</p>

Are Limited Editions Ever Restocked?

Sunglasses lenses are categorized from 0 to 4. Knockaround sunglasses fall under category 3 which work best in above average light conditions and offer high sun glare reduction. If you have additional questions regarding lens categories, feel free to

<p>Sunglasses lenses are categorized from 0 to 4. Knockaround sunglasses fall under category 3 which work best in above average light conditions and offer high sun glare reduction.&#xA0;</p><p>If you have additional questions regarding lens categories, feel free to contact us <a href="/conversations/new" id="link-contact-us">here</a>.</p>

Which Category Do My Knockaround Sunglasses Fall Under?

All of our sunglasses offer full UV400 protection which covers both the UVA and UVB spectrum. Your Knocks will be sure to keep you looking fresh while protecting your eyes against harmful UV rays. If you have additional questions regarding UV protect

<p>All of our sunglasses offer full UV400 protection which covers both the UVA and UVB spectrum. Your Knocks will be sure to keep you looking fresh while protecting your eyes against harmful UV rays.</p>
<p>If you have additional questions regarding UV protection, please contact us <a data-reamaze-lightbox="contact" href="#">here</a>.</p>
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Do Knockaround Shades Offer UV Protection?

Yup! All Knockaround lenses pass the FDA standard for impact resistance. If you have additional questions regarding our sunglasses, feel free to contact us here.

<p>Yup! All Knockaround lenses pass the FDA standard for impact resistance</p>
<p>If you have additional questions regarding our sunglasses, feel free to contact us <a href="/conversations/new" id="link-contact-us">here</a>.</p>

Are Knockaround Sunglasses FDA Approved And/Or Impact Resistant?

While your Knockaround sunglasses keep you protected from harmful UV rays, there are a few things you can do to take care of your shades. To get the most out of your Knockarounds, we recommend the following:. For additional information on caring for

<p>While your Knockaround sunglasses keep you protected from harmful UV rays, there are a few things you can do to take care of your shades. To get the most out of your Knockarounds, we recommend the following:</p>
<ul>
<li>Wash and/or rinse the sunglasses after they have been exposed to salt or pool water</li>
<li>Wipe your Knockaround sunglasses after every use</li>
<li>Keep your shades in the protective sleeve while not being used</li>
</ul>
<p>For additional information on caring for your sunglasses click&#xA0;<a href="https://knockaround.com/blogs/journal/how-to-clean-sunglasses">here</a>.</p>
<p>If you have any further questions, feel free to contact us <a href="/conversations/new" id="link-contact-us">here</a>.</p>

How Can I Take Care of My Knockaround Shades?

Proposition 65 is a Californian law that requires businesses to disclose warnings to Californians about significant exposure to certain chemicals known to cause cancer, birth defects, or other reproductive harm. The following warning applies to all p

<p>Proposition 65 is a Californian law that requires businesses to disclose warnings to Californians
about significant exposure to certain chemicals known to cause cancer, birth defects, or other
reproductive harm. The following warning applies to all products sold on Knockaround.com.</p><p>Warning: Products purchased on Knockaround.com can expose you to chemicals including Bisphenol A (BPA), which is known to the State of California to cause birth
defects or other reproductive harm.</p><p>For more information about Proposition 65, please visit www.p65warnings.ca.gov.</p><p>If you have any further questions about our sunglasses, feel free to contact us <a href="/conversations/new" id="link-contact-us">here</a>.</p>

Products & Sizing