Never lose another pair of shades in the water again. Go enjoy your favorite water activity without any worries, glasses won’t sink thanks to our patented floating technology. • Patented foam lining offers a non-slip grip, keeping glasses snug and secure• Anti-glare, shatter resistant lenses• Anti-fog treatment that improves visibility in a wide variety of working conditions• Photochromic lenses that change color based on light exposure (indoors/outdoors)• Extreme lightweight frames made with new TR90 nylon• 100% UVA & UVB protection that shields your vision from harmful sun exposure