Universally flattering frames in a bold square silhouette with proprietary blue light blocking frequency lenses. Handcrafted acetate design utilizing state-of-the-art CNC finishing for optimal fit, function, and durability. Optical grade CR39 lenses with HEV blue light-filtering coating Superior hard coating for anti-scratch durability Anti-reflective coating to mitigate reflections and glare Super hydro-phobic and oleo-phobic coatingfor anti-smudge Cloth and case included Acetate Imported SIZE 52mm lens width 21mm bridge width 145mm temple length Style Code: 0400013387023