Crystal Raspberry/Black Gradient Oakley's Plutonite Lenses offer top UV Protection filtering 100% of all UVA, UVB, UVC and harmful blue light up to 400mm. Patented High Definition Optics (HDO) provides superior optical clarity and razor-sharp vision at every angle. Ultra-lightweight C-5 alloy frame material with acetate stem, which is created by fusing together five metallic compounds, to create an ultra-strong chassis. O Matter stress-resistant frame is lightweight and durable for all-day comfort and protection. Oakley’s injection molded thermoplastic O-Matter frame provides improved strength and flexibility over traditional acetate and is built to withstand shifting or deforming over time