Ready to knock out eye strain? Knock Out's bold octagonal shape and saddle bridge deliver a one-two punch of style and protection. Like the other throwbacks in our new collection, Knock Out is made using a lamination process that fuses two acetates together for unprecedented depth. What's more: the science is still developing, but these blue light lenses may help shield you from digital eye strain. When life throws endless Zoom calls your way, this killer combo of bold style and cutting-edge optical innovation hits back hard.