root cause analysis in gloss blackThe Root Cause Analysis is a high density acetate frame, which means its 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 easilybut trust us when we say, timeless. color: gloss black premium, bio based acetate frame with 3 barrel industrial hinges lenses include a high performance water, dirt, and grease repellent coating for easy maintenance and superior