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Glossy Tortoise Shell Rx Fort Knocks

FRAMES: $25.00
LENSES: starting at $55

Click "CONFIGURE" to select your lens type and provide your prescription information.

The Knockaround Fort Knocks frame is now available with prescription lenses! Like our regular Fort Knocks sunglasses, these frames have a classic and accommodating fit, spring hinges, and gold bar and metal logo detailing. Click the “CONFIGURE” button above to choose between prescription eyeglasses or prescription sunglasses. You’ll also be able to select your lenses, upload a photo or PDF of your prescription, and add your new Knockaround Rx specs to your cart! 

IMPORTANT:  Please measure your pupillary distance (PD) before submitting your order!  Pupillary distance is the distance between the pupils in your eyes. This measurement will be used by our lab to make sure your new prescription glasses are as accurate as possible. Use this handy tool to measure your pupillary distance. Once you have the measurement, write your pupillary distance on your prescription.

  • Please allow 8 BUSINESS DAYS for your prescription sunglasses to ship
  • Sorry, NO RETURNS—click the “Returns” tab above for more info about re-makes
  • Sorry, NO CANCELLATIONS—please check and double check your product choices and prescription information before completing your order
  • Glossy tortoise shell frames
  • Inset metal Knockaround logo
  • All lens options have full UV400 protection
  • All lens options are FDA approved
  • Protective pouch included
For more information about the Knockaround Rx prescription lens program, visit our FAQs page.

Knockaround Fort Knocks provide a wider, form fitting and durable fit; perfect for medium and larger size face shapes.

Frame Width 145 mm
Frame Height 49 mm
Arm Length 140 mm

Since Knockaround Rx lenses are matched specifically to each customer’s prescription, unfortunately we are unable to accept returns on any prescription glasses. However, if we make a mistake in matching your prescription information, or you are unhappy with your lenses in some way, we will do our best to make it right. Additionally, if you have a problem with your Knockaround Rx frame (the front, left arm, or right arm), let us know. We want you to love your new prescription Knockarounds, and our customer service team is here to help.

If you have any issues with your new Knockaround Rx glasses, please email support@knockaround.com

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