Product details: Brand: ROCKBROS Material: TAC lenses + PC frame Net weight: 26g Colour: white + white polarised, black + grey polarised, black + red polarised Size: 151,4*154,2*59,25mm Light transmission: White (13.31%); Black-grey (15.32%); Black-red (14.02%) Scope of delivery: Polarised glasses *1, Outer glasses case *1, Leather glasses case *1, Polarisation Test card *1, Glasses bag *1, Wipe *1, Certificate of conformity *1 Low vision friendly design: Specially designed for people with low vision aids, these glasses offer a practical solution insert that functions as polarised sunglasses. It replaces the need for an additional visual aid and adapts to most spectacle frames (inner width ≤140mm, height ≤55mm). They are also suitable as elegant sunglasses for people who are not short-sighted. Versatile application options: These glasses are ideal for a variety of outdoor activities such as cycling, fishing, driving and hiking. The TAC polarising filter ensures that blinding light is minimised while providing protection from harmful UV rays. This effectively protects your eyes and improves visibility. Lightweight and comfortable: Weighing just 26g, these goggles are extremely lightweight and sit securely and comfortably on the head thanks to the special non-slip silicone earpieces. The material is breathable and ensures a comfortable fit over long periods of time. Polarisation technology: The integrated TAC polarisation filters unnecessary light and prevents glare from reflections on water surfaces or other smooth surfaces. This keeps your eyes protected and you enjoy clearer, higher-contrast vision, whether in bright sunshine or diffuse light. More details: a, The simple design without screw structure avoids the annoying loosening or loss of parts. It remains stable and adds more reliability to your everyday life. b, Available in different colours, you will always find the right model to match your individual style. c, Non-slip silicone temples, comfortable and breathable.