Photochromic Sunglasses KOO Spectro, Black/Pink

Swift-looking and well ventilated sunglasses. Zeiss lenses represent the best optical quality on the market. Made in Italy. - Photochromic lenses automatically adjust according to lighting conditions - Transmit 12.5-69% of light - High quality Zeiss polycarbonate lenses - Wide field of view - 4 vents keep lenses frost-free - Anti-slip coating on the frames - Adjustable rubber nose bridge - Interchangeable lens - Interchangeable nose bridge - One size fits all - Weight 37 g Contents of the package: - Spectro sunglasses - Storage bag - Replacement bridge (smaller size) The glasses are divided into categories according to light transmission. All Zeiss lenses protect the eyes against UVA and UVB radiation up to 400nm. The VLT number indicates how much light passes through the lenses. Category 3. Allows 8-18% of light to pass through. Excellent in bright sunlight. Colours are reproduced in their original colours. For example, street, road and mountain biking, mountain, snow conditions, sea. Category 2 Transmits 18-43% of light. General purpose, for sunny and variable weather conditions. Eliminates blue and violet light. Improves depth of vision, contrast and works very well in fast species and situations where you need to judge distances. For example, road and mountain biking, skiing, golf. Category 1 Transmits 43-80% of light. Cloudy or rainy day glasses. Excellent in autumn and winter when light is not abundant but comes from a distracting direction. Protect the eyes and help to see variations in the shape of the ground and contrasts of light and shadow that cannot be seen with the naked eye. Polarised lenses Eliminate reflections and therefore work well in conditions such as at sea or on wet tarmac. Mirror lenses Allow less light to pass through. Designed for