Get ready to grill up some fun with the Krusty Krab Fort Knocks Rx! Designed on our Fort Knocks frame style, these sunglasses boast a glossy red and dark gray exterior and a frosted, matte interior, mimicking steam rising off a hot grill. The vibrant red checkerboard arms feature jolly SpongeBob and the iconic Krusty Krab sign, bringing a piece of Bikini Bottom right to your look. Silver bar details on the front and matching silver K logos on the arms add a touch of shine. All of these details come together with the prescription lenses of your choice to ensure your day is as clear as it is fun.

• Red and white checkerboard arms featuring SpongeBob and the Krusty Krab sign
• Glossy red and dark gray exterior
• Frosted matte interior to mimic steam coming off a hot grill
• Glossy finish
• Silver hardware and K logos
• Metal spring hinges
• 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
• Comes with a custom Krusty Krab microfiber pouch
• 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.