the Sinner Frost Sunglasses are the perfect addition to your kit when engaging in high-intensity activities. The polycarbonate lenses provide excellent durability and impact resistance, which is ideal for outdoor sports and other physically demanding activities. Additionally, the lenses offer 100% UV protection, which helps to protect the eyes from harmful ultraviolet rays.The anti-slip nose pads are another great feature of these sunglasses. They help to keep the sunglasses securely in place, even during intense movement or activity. This is especially important for people who engage in activities like running, cycling, or skiing, where the glasses need to stay in place to provide optimal protection and visibility.Zero distortion 100% polycarbonate lens protectionCat 3 sintec polarised lens100% Sintec LensPolarised