The Batman Fort Knocks Rx are a must-have for any comic fan. This pair takes inspiration from the edgy darkness of D.C. Comics’ most popular vigilante, starting with black-to-gray fade fronts. The color scheme continues down each arm, where a swarm of bats fly over a black and gray background. Batman’s iconic yellow crest is prominent on the outside of each arm, while the Batman logo is displayed on the inside of each arm over a black and gray comic strip scene. Prescription lenses and silver hardware round out this gritty, yet highly wearable pair.Designed on our durable and high-quality Fort Knocks frames, these sunglasses and eyeglasses have a slightly wider fit than our other frame styles and provide full UV400 sun protection with sunglass lenses. Each pair comes with a Batman comic strip microfiber pouch and commemorative Batman packaging. Black-to-gray fade front Bat swarm on each arm over a black and gray base Iconic Batman logo on each arm Lenses available in a variety of colors Silver hardware Metal spring hinges All sunglass lenses are polarized Digital lens technology offers sharper image quality and enhanced contrast Correction available in -6 to +3* Astigmatism correction available to -4.00 Pupillary distance available in 57-80mm** Scratch resistant coating Anti-reflective coating FDA compliant impact-resistant polycarbonate lenses UV400 protection Lightweight Unisex Hard shell case and Batman comic strip inspired microfiber protective pouch included Prescription eyewear is available for U.S. customers only