[Powster] Tidal Sports Sunglasses - Includes 3 Interchangeable Lenses, UV Protection, Lightweight TR90 Frame TD-Silver-Coal black 【SPXTRA Lens Technology Developed with ZEISS】Lenses featuring Powster's unique SPXTRA technology, developed in collaboration with ZEISS, provide the highest standards of vision and protection. A water-repellent coating on both sides prevents the adhesion of dirt and sweat, maintaining a clear view. Furthermore, an anti-reflective coating on the back of the lenses reduces internal reflections and glare, improving visual comfort. 【3 Interchangeable Lens Package】Includes a mirror lens (ZEISS) for sunny days, a yellow lens for cloudy/foggy days, and a clear lens for nighttime use. The unique lens replacement system allows for easy changes in under 3 seconds, enabling immediate adaptation to changing weather conditions. 【Lightweight & Durable】Ultra-lightweight design at only 32g. The frame uses TR90 material, which combines flexibility and durability. 【Comfortable Fit】Adjustable nose pads fit perfectly to the shape of your face. Special silicone material is used on the temple tips to prevent slippage even when sweating. 【Prescription Lens Compatible】An inner frame for myopia can be attached if needed. (※Prescription lenses sold separately) Comes with a convenient dedicated case. Compact and easy to carry, includes a dedicated Powster sunglasses case. Easily attaches to bags and belts, offering excellent portability.