With a lightweight and durable Grilamid TR-90 frame,theTifosi Rivet sunglasses provide a comfortable and secure fit. The lenses feature a polycarbonate construction with a glare guard coating, offering 100% protection against harmful UVA and UVB rays. The Rivet sunglasses come with three interchangeable lenses, including Smoke, AC Red, and Clear, allowing for versatile usage in various lighting conditions. They also feature adjustable nose pads and temple tips for a customizable fit, making them an excellent choice for sports and active lifestyles.