AIR OPTIX® plus HydraGlyde® for Astigmatism contact lenses provide outstanding comfort in a reusable monthly replacement lens. With exclusive Smartshield® Technology, an ultra-thin protective layer shields your lenses from irritating deposits. Plus, our HydraGlyde® Moisture Matrix attracts and retains long-lasting lens surface moisture. So you’ll have a comfortable wearing experience from Day 1 to Day 30