Edge Eyewear Safety Glasses Kazbek Black Frame Silver Polarized G-15 Mirror Lens. The Edge Eyewear Safety Glasses Kazbek in Black Frame with Silver Polarized G-15 Mirror Lens are a must-have for anyone seeking reliable eye protection. Designed with a sleek black frame, these glasses offer a stylish and professional look. The silver lens provides excellent visibility while the polarized G-15 mirror coating reduces glare, making them perfect for outdoor activities. Whether you're working on a construction site, participating in sports, or simply enjoying the great outdoors, these safety glasses are built to withstand the toughest conditions. With the Edge Eyewear brand's commitment to quality and the Kazbek series' reputation for durability, you can trust that these glasses will keep your eyes safe and comfortable all day long.