Hobie polarized sunglasses filter out 100% of glare providing you with increased visual clarity while reducing eyestrain and paired with our advanced hydrophobic hydro clean plus coating which sheds water, oils, and grime and is easy to clean Hobie polarized color balance gives us the ability to see all colors vividly and see slight differences in similar colors allowing the ideal amount of blue light to transmit for clear visual response of the color blue and contrast sensitivity Hobie polarized lifetime warranty, hobie motion micro-fiber cleaning case Case Included Lenses are prescription ready (Rx-able)