Ray-Ban 6454 Eyeglasses Color:2509 - Black Acetate construction means these frames

Acetate construction means these frames are lightweight enough for all-day wear while remaining strong and flexible

Each lens includes anti-reflective coatings on the backside to eliminate bounce-back glare

The temples feature an intricate geometric cutout pattern—visible in the photos—that adds a jewelry-like detail without extra weight

and 145mm temple length in a modern rectangle shape that suits most face shapes

The acetate construction is lightweight but sturdy

Ray-Ban 6454 Eyeglasses Color:2509 - Black Acetate construction means these framesRay Ban 6454 Eyeglasses made by Ray Ban are Unisex Eyeglasses. They have an Oval shape, and come in 4 colors, which are Black, Gold, Havana, and Silver with 2 sizes, which are 5614 140 and 5814 140.