What titanium changes in a sunglass
Weight where it matters. A sunglass lens is deeper and heavier than a glasses lens, so the frame carries more. Titanium temples and a titanium bridge take weight off the nose and the ears, which is the difference between a pair you forget and a pair you keep pushing up. On a lower nose bridge, where the frame has less to rest on, the saving is larger still; the how should sunglasses fit guide has the checks for that.
Nothing to corrode. Sunglasses meet sweat, sunscreen, sea spray and pool water. Plated steel and nickel alloys pit and discolour at the hinges and nose pads over a couple of summers; titanium does not react with any of them, which is also why it is the metal used for surgical implants and why people with metal sensitivities tolerate it.
Spring, not set. A titanium temple bent out of shape in a bag flexes back; a steel one holds the bend. For a pair that is taken off and dropped into a pocket twenty times a day, that is the property you notice.
Rimless mounts that last. Rimless sunglasses hang the lens from the bridge and the temples through holes drilled in the lens. The mounts take every twist the frame sees, and titanium's strength to weight is what lets a rimless sunglass stay light without the mounts loosening. The rimless sunglasses guide covers the trade offs of the style itself.
For the material science behind all of this, grades, finishes and how titanium compares with acetate and Ultem in an everyday frame, the titanium glasses guide goes deeper.
When titanium is worth it, and when it is not
Worth it if the pair will see sweat or water (running, cycling, sailing, beach days), if you have reacted to metal frames before, if you want a rimless or very fine frame that still feels solid, or if you wear sunglasses most of the day and weight is the thing you notice.
Not worth it if the pair is a fashion piece worn for an hour at a time, if you want a thick frame where the material is hidden under the shape (acetate does that better and cheaper), or if you tend to lose sunglasses, in which case the money is better spent on two pairs of something lighter on the wallet.
Polarization is a separate decision from the frame material. Titanium does nothing for glare; the lens does. The polarized vs non polarized guide covers when polarized lenses help and when they get in the way, and the UV400 guide covers the protection claim that matters on every pair, titanium or not.
How to tell real titanium from a label
Price is the first clue, but not a reliable one. Four checks are:
- The marking. Genuine titanium frames usually carry "Ti", "Titanium" or "β-Ti" inside the temple, often beside the three size numbers; the glasses measurements guide shows where to look. "Titanium colour", "Ti finish" and "titanium look" are paint names, not materials.
- The weight. Pick up a steel frame of the same size; titanium is noticeably lighter in the hand.
- A magnet. Titanium is not magnetic. A fridge magnet that grips the temple means steel underneath the plating.
- The flex. Bend a temple gently outward and let go. Titanium returns to shape; cheap alloys hold a slight set.
Some frames mix materials: a titanium temple on an acetate front, or titanium pad arms on a steel frame. That is a reasonable way to put the metal where it does the most good, as long as the listing says which parts are titanium.
Fit and adjustment on a titanium sunglass
Titanium takes adjustment well. An optician can bend the pad arms to raise or lower the frame on the nose and open or close the temples behind the ears, and the metal holds the new setting. The nose pads guide explains what each adjustment changes. Two cautions: do not bend titanium repeatedly at the same point, and do not use pliers without a cloth, because the surface finish marks before the metal does.
For a lower nose bridge, a titanium frame with adjustable pads is one of the easier sunglasses to make sit level, because the pads can be moved inward to carry the frame on the nose instead of the cheeks. MUJOSH groups its frames cut for that bridge in low bridge fit sunglasses.
Looking after it
Rinse after salt water or heavy sweat, dry with a cloth, and clean the lenses with lens spray rather than a shirt. Titanium itself needs nothing, but the lens coatings, the pads and the hinge screws are the same as on any frame. Pads yellow with sunscreen and can be replaced; a loose hinge screw on a rimless frame should be tightened early, before the lens mount wears.
The MUJOSH frame to start with
MUJOSH's titanium sunglass is the Pearl-Accented: a rimless square with diamond cut lens edges, polarized UV400 lenses, adjustable nose pads and titanium temples finished with a row of pearls, in two colorways. It is the lightest sunglass in the range and the one to pick if the sections above describe you. The titanium collection holds it alongside MUJOSH's titanium eyeglasses, and the full sunglasses collection lists every frame by shape and material.
Titanium is one of four light materials compared in the lightweight sunglasses guide.
The bottom line
Titanium earns its price in a sunglass when the pair sees sweat or water, when weight is the thing you notice, or when you want a rimless frame that stays tight. Check the marking inside the temple, the weight and a magnet before you pay for the word. And remember that the lens, not the frame, decides glare and UV protection.
Titanium against the other metals, and the full metal range, is in the metal frame sunglasses guide.
Material is one of the six checks in the high quality sunglasses guide, with the lens, the coating, the hinge, the fit and the finish.
Frequently asked questions
Are titanium sunglasses worth the money?
If the pair will meet sweat, sea water or sunscreen, if you wear sunglasses for hours, or if you want a rimless or very fine frame, yes: titanium is lighter than steel, does not corrode and springs back from bends. For a fashion pair worn briefly, acetate or steel does the job for less.
How can I tell if sunglasses are real titanium?
Look for "Ti", "Titanium" or "β-Ti" stamped inside the temple, compare the weight with a steel frame, and test with a magnet: titanium is not magnetic. "Titanium colour" or "Ti finish" is a paint name, not the material.
Do titanium sunglasses rust or tarnish?
No. Titanium does not react with sweat, salt water, chlorine or sunscreen, which is why it is used for implants. Hinge screws, nose pads and lens coatings still wear like any other frame and are the parts to look after.
Are titanium sunglasses good for a low nose bridge?
A titanium frame with adjustable nose pads is one of the easier sunglasses to make sit level, because the pads can be moved inward to carry the frame on the nose instead of the cheeks, and the light frame has less weight to slide. A frame with a fixed bridge needs to be cut for a lower bridge in the first place.
Are titanium frames hypoallergenic?
Titanium is the usual choice for people who react to nickel in plated metal frames, because it does not release nickel and does not corrode. Check that the pads and hinge parts are also nickel free if you are sensitive.
Can titanium sunglasses be adjusted?
Yes. An optician can bend the pad arms and the temple ends, and titanium holds the setting. Avoid bending the same point repeatedly and use a cloth under any tool, because the finish marks before the metal does.
