The Root Cause Analysis is a high-density acetate frame, which means it’s created from the good, expensive stuff. The time-tested aviator shape originates back to a date that the Internet is just not giving up that easily…but trust us when we say they’re “timeless.” 

• Vintage-inspired style with a large fit.
• Top of frame is engraved with “Willie” and “Waylon” in Morse code.
• Metal bars embellish the front of the frame at the temple.
• Sturdy 3-barrel hinges ensure security and stability
• Frame: Premium bio-based, high-density acetate.
• Hardware: Custom alloy metals.
• Lenses: Proprietary Frq blue light filtering CR39 lens.