Durability and all-day comfort of lightweight, stress-resistant O Matter frame material; Comfort and performance of Three-Point Fit that holds the lenses in precise optical alignment; Unobtainium components that increase grip when you sweat; Metal icon accents; Interchangeable lens design to optimize performance in any environment; UV protection of Plutonite lens material that filters out all UV & harmful blue light up to 400 nm; Semi-rimless design for open downward view