Cylindrical lens for EDGE sunglasses with REACTIV Photochromic technology. Photochromic lens (cat. 0 to 3 - visible light transmission rate: 15% - 87%). Perfect relief reading with High Contrast technology. Translucent base in night conditions. Evolving tint adapted to changing weather conditions. Protection against sun and glare. Red tint in full sunlight. Perfect relief reading. Suitable for cross-country skiing and mountain biking. External Flash Colour: Red | Vision Colour: Translucent