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 letting up that easily…but trust us when we say, “timeless.”

Features
A premium hard coating protects lenses, increasing durability and minimizing scratches.
Lenses include high-performance water, dirt, and grease-repellent coating for easy maintenance and superior optics.
Premium, bio-based acetate frame with 3-barrel industrial hinges.

1.00-1.25
If you’re new to corrective eyewear, 40 or older, or believe that you don’t need glasses and you’re at least 45 years old, start with a 1.00. In the last several years we wish we had a buck for every time one of our friends said , “Cool company…but I don’t need reading glasses..” then we handed them a pair of 1.00 and without fail, “Holy shit!….this is awesome”. This is the gateway drug, game changer magnification level most start with.

1.50-1.75
As you begin to recognize the need, and eventual addiction, to seeing things clear again, you’ll want to upgrade and have a pair of +1.50 around. There are times of the day where the extra boost is welcomed.

 Frame Width - 143 MM
 Bridge Width - 17 MM
 Lens Height - (does not include frame) - 48 MM
 Lens Width - (does not include frame) - 56 MM