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.” Sidebar: we've gathered that the words engraved across the tops of some of our frames aren't for everyone. That's okay. For those of you picking up what we’re putting down...maintain radio contact. I read you Houston…and come in Tokyo.

All Caddis frames feature their proprietary blue light blocking lenses at no extra cost to you:

CADDIS frequency (frq) LENSES:

• Best-in-class frequency lenses. Caddis technology is infused in the raw material; it is not a coating that can be scratched or worn off.
• frq blocks 45% of harmful high energy visible blue light (LED, Phone/TV Screens), at, and surrounding the most harmful wavelength (455nm). They’re setting the Blue Light bar with their frqlenses.
• CR39 lens material
• Superior hard coat for anti-scratch durability
• Super hydro-phobic and oleo-phobic coatings for anti-smudge and easy cleanability
• frq lenses provide this technical solution in a nearly clear lens