Olsine Spherical Dual Lenses Anti-fog Uv Protection Glasses Installable Professional Ski Goggles Unisex Adult Multicolor We adopt the latest dual Spherical lens tech to present wider vision of HD clarity, the interior lens is made in Italy and tested in low temperature to avoid fogging up, the front lens is mirrored to keep from UV, Snow, wind and etc, protecting your eyes from risks 3 layers of Memory Foam have stronger buffering capacity, presenting a comfortable and fit wearing, keeping away cold air/wind from penetrating through and keep your eyes warm Flexible and durable TPU made Frame, buffering impact and protecting your face to the maximum; vented airways around the face can also reduce fog from sweat evaporation during your moving Patented detachable system, you can replace the elastic strap and change the lens after tear and wear in a easy way Compatible with helmet and face mask, perform excellent in any weather even cloudy and at night