The Ray-Ban RB3548N Hexagonal is sold in three aftermarket eye sizes — 48mm, 51mm, and 54mm — all cut for its irregular metal front and 145mm metal arms on a unisex build. That irregular hexagonal shape is the outlier in this catalog, where square, round, and aviator fronts make up most of the range, so check the size carefully since none of the three share a lens.

An irregular shape like the hexagon has more lens edge exposed at odd angles than a square or round front does, so fit tolerance matters more on the RB3548N than on a simpler shape — a lens cut even slightly off the frame's true geometry shows at the corners first. Because the shape itself is already a style statement, plain solid tints are a common choice here over a mirror finish that competes with the frame's outline.

Frequently asked questions

How hard is it to install replacement lenses myself?

Most Irregular frames use a simple press-fit: flex the frame slightly, seat one edge of the 51mm lens into the groove, then work your thumb around the rim until it clicks into place — no tools needed.

Can I get polarized or mirrored lenses instead of the flat tint that came with my sunglasses?

Yes. Beyond the standard tint, we stock over 15 lens colours, including mirrored and polarized options for the 3548, so you can upgrade to polarized or mirrored glass in the same 51mm size your Ray-Ban frame already takes.

What's the warranty if a lens pops out or discolors after a few months?

All lenses are independently made and carry a 3-year warranty against manufacturing defects — if a 51mm lens fails to seat correctly or the coating degrades on its own rather than from an impact, we'll replace it free.

Will these lenses actually fit my exact Ray-Ban or Oakley frame?

These lenses are cut to the 51mm eye size and Irregular shape of the Ray-Ban 3548, so they seat into your existing frame's groove without trimming, heating, or any modification on your part.