Speedviz Lite Photochromic Sunglasses.Leatt Speedviz Lite Photochromic Sunglasses - intelligent vision, extreme lightness, and uninterrupted performance.The Leatt Speedviz Lite Photochromatic combine the best in adaptive optics and ultra-lightweight design to deliver a superior riding experience.Thanks to their state-of-the-art photochromic lens, these glasses automatically adjust to light conditions, transitioning from 90% VLT (almost transparent) to 25% VLT when sunlight increases.This allows you to enjoy optimal visibility from start to finish, without changing lenses.Their open-frame design reduces weight and improves airflow, making them an ideal choice for long, hot, or high-intensity rides.In addition, the 7x4 toroidal double curvature lens offers distortion-free vision and a natural field of view, while the wraparound profile protects against wind and road debris.Designed for medium to large faces, the Speedviz Lite Photochromatic feature non-slip temples, an adjustable nose bridge, and ANSI Z87.1 impact certification.All this with a protective case included and 100% plastic-free packaging.Technical characteristics.Adaptive photochromic lens: Automatic transition from 90% to 25% light transmission (VLT).Perfect for frequent light changes or mixed routes.Ultra-lightweight open-frame design for maximum ventilation and minimum weight.7x4 toroidal polycarbonate lens with double curvature: Precise, distortion-free optics.Natural and enveloping peripheral vision.Curved profile that adapts to the face and blocks the wind.Interchangeable lens system (although the photochromic covers multiple conditions).Non-slip rubber temples for greater stability in motion.Adjustable nose bridge for custom fit and greater comfort.ANSI Z87.1 impact resistance certification.Biopolymer frame: lightweight, durable, and sustainable.Includes rigid protective case for safe transport.Plastic-free, 100% recyclable packaging.Measurements and fit.Designed for medium to large faces.Total frame width: 143 mm. Lens width:135 mm.Lens height:55 mm.Nose bridge:17 mm.Temple length:130 mm.Why choose the Speedviz Lite photochromic glasses?Because they allow you to ride without worrying about the sun, shadows, or changes in light in each section.Their intelligent photochromic lens adapts to your environment, eliminating the need to change lenses.And with their lightweight and ventilated design, they are perfect for long, hot, or high-performance rides.Usage recommendations.Ideal for MTB, gravel, XC, road, and e-bike.Perfect for variable light conditions or routes with areas of shade and sun.Recommended for riders who prioritize visual comfort and uncomplicated versatility.With the Leatt Speedviz Lite photochromic glasses, there are no surprises:just a clear, adapted, and constant vision with every pedal stroke.Intelligent lightness for cyclists who don´t stop.