Sports glasses with integrated rearview mirror. Lens color: White. TR90 frame made of thermoplastic material, durable, flexible, and lightweight. Rubber tips for maximum comfort. Durable, lightweight, and scratch-resistant polycarbonate lenses. Extra large field of vision. Ride with confidence. TriEye sports glasses with an integrated and adjustable rearview mirror allow you to see behind you without turning your head and taking your eyes off the road ahead. The frame is made of TR90, an incredibly durable, flexible, and lightweight thermoplastic material. TR90 frames are comfortable to wear as they bend under pressure and contour your face pleasantly. The lenses are made from a strong and robust material, fully UV-protected (UV400), category 0 - 3. The lenses change color due to exposure to ultraviolet light, from category 0 in darkness/indoors to category 3 in sunny weather. The best solution for an all-around lens for any weather. Good UV protection in sports or sunglasses is essential. Especially in mountainous areas, sunlight is significantly stronger than in flatlands. The integrated UV absorbers in the lenses filter harmful UV radiation, thus protecting your eyes.