Serengeti Sunglasses Bacall SS541001 Shiny Black Transparent Layer Mineral Polarized 555nm Photochromic Striped Brown the Flow Goggles combine cutting edge ChromaPop Blue Mirror Polarized the Flow Goggles combine cutting edge functionality with eye catching design The high quality polarized lenses not only provide exceptional clarity and reduce glare but also offer comprehensive UV protection The spectral control and photochromic technology adapts and filters light to perfection while Serengeti's logo features on the right lens for brand authenticity Serengeti Sunglasses Bacall SS541001 Shiny Black Transparent Layer Mineral Polarized 555nm Photochromic are a fashionable round style crafted from lightweight acetate