Light-Filtering Polarized Lenses and Anti-UV Mirror - Reduces glare and filters irregular light while protecting eyes from UV rays. Lenses provide clear sight and a stereoscopic visual effect, enhancing depth perception during outdoor activities. Ideal for outdoor swimming and sports. Indoor and Outdoor Versatility - Suitable for indoor and outdoor swimming, pool swimming, and night swimming. Polarized lenses with an anti-UV mirror coating help maintain clarity across varying light conditions. Comfort and Fit - Self-adjusting TPR nose bridge delivers a comfortable fit without stressing the nose bridge. Non-slip strap reduces pressure on the head and enhances comfort during extended use. Leak Prevention - No ingress of chlorine or salt water; designed to prevent leaks and reduce the risk of raccoon eyes. Materials and Performance - Lenses: polarized with anti-UV mirror coating for improved visibility and glare reduction. - Nose bridge: self-adjusting TPR for adaptable fit. - Strap: non-slip design for secure positioning. Use scenarios - Open-water outdoor swimming on bright sunny days. - Pool training or lap swimming in various lighting conditions. - Night swimming where glare reduction improves contrast and visibility.