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Product Description

These Pi Fort Knocks feature a glossy black and white concentric circle exterior frame (so you can hypnotize a secret crush), a translucent transcendental “digits of pi” interior, silver hardware, and polarized silver smoke lenses with a π lens etch. Designed on our durable and high quality frame, these sunglasses have a slightly wider fit than our other frame styles and provide full UV400 sun protection.

Every pair comes with a Casio-style electronic calculator microfiber pouch, a hand-numbered edition card, and a Charles Leonard CHL77360 bullseye metal compass so you can try solving the ancient challenge of squaring a circle with your compass and straightedge.

• Edition of 600
• Glossy black and white concentric circle exterior
• Translucent transcendental “digits of pi” interior
• Polarized silver smoke lenses with a π lens etch
• Silver hardware
• FDA approved impact resistant lenses with full UV400 protection
• Casio-style electronic calculator microfiber pouch
• Includes a Charles Leonard CHL77360 bullseye metal compass
• Hand-numbered edition card