DITA Eyewear Materials Guide 2026: Titanium, Acetate, TR90 and What They Mean

Hold two pairs of sunglasses, one in each hand, and close your eyes. One feels like a coin: cool, thin, almost nothing. The other feels like a smooth river stone, warm and a little heavier, with a soft sheen your thumb keeps going back to. Same brand, same price range, completely different experience on your face. That difference is the material, and with DITA it's most of what you're paying for.

So Olivia Reviews read the material lines on DITA's product listings, its craftsmanship page and its product care page in October 2026, and translated the spec-sheet language into plain English: what each material is, where DITA uses it, and what it means when you wear the frame from breakfast to dinner.

Quick take: DITA builds its main line from titanium and Japanese acetate, often both in one frame, and adds enamel and pressed-line detail as decoration. Its DITA Lancier line also uses a nylon-based TR90 for some sport frames. Main-line lenses are listed as CR-39 and Lancier lenses as nylon, all with 100% UVA and UVB protection. Pick the material for your routine first, then the shape. Before you buy, see today's DITA Eyewear deals.

Why Material Is the Real Spec

DITA's product care page names its three core frame materials: cellulose acetate, pure titanium and beta-titanium. Its craftsmanship page adds the backstory. DITA says it uses one of the highest grades of beta-titanium, which it describes as light, durable, extremely flexible and one-third the weight of steel, and that every frame is finished in Japan. Acetate frames, the brand says, are tumbled slowly in hand-cut bamboo chips instead of being polished fast.

Those are the headline claims. The useful part for a shopper is in each listing's "Details" and "Frame Specs" tabs, where DITA spells out exactly which parts are titanium, which are acetate, and what the lenses are made of. That's what this guide follows.

Titanium: For the Pair You Forget You're Wearing

Model wearing DITA ETHYX round titanium optical frames, front and side views — ETHYX, built on a continuous one-piece titanium frame and brow bar. Image: DITA

All-titanium frames are DITA's lightest-looking pieces, and the brand has been pushing them toward fewer joins. The OUTRCRAFT sunglasses ($995) list a continuous one-piece titanium frame, brow bar and bridge, so there are no breaks in the line across your face. Its optical cousin, ETHYX ($965), uses the same one-piece idea for the frame and brow bar, then switches to multi-piece titanium temples that end in handcrafted Japanese acetate tips. Those tips matter: acetate behind the ear feels warmer and grippier than bare metal.

At the delicate end, LUNARI ($495) is listed as an ultra-lightweight titanium half-rim optical frame with precision-milled titanium around a diamond-shaped lens. Half-rim means the metal runs only along the top, which keeps the face open and the frame visually quiet.

What it means day to day: titanium suits people who wear one pair for hours, want a slim profile, and like a frame that reads as jewelry rather than a statement. DITA's spec tabs on these frames also list custom titanium nose pads with diamond-pressed detail, which give the pads a fine texture.

Japanese Acetate: Color, Depth and a Warm Hand-Feel

DITA OMSOANA square sunglasses in Dusty Pink acetate with gradient lenses — OMSOANA in Dusty Pink, a double-skived Japanese acetate frame. Image: DITA

Acetate is where DITA plays with color. The OMSOANA sunglasses ($595) are a good example of how much detail can live inside the material itself. DITA describes a highly skived opaque acetate, with a double skive detail, that shows a subtle translucency and reveals a custom wire core with a multi-dimensional pattern inside the temples. In the Dusty Pink colorway with Loversoul gradient lenses, it looks almost like frosted sugar glass. A Swanshell version was in stock too; Black Glass was sold out.

Look at the hardware on that same listing: a titanium 3-barrel hinge plate and DITA's proprietary hex screws. Even DITA's all-acetate frames lean on titanium where strength matters.

What it means day to day: acetate gives you bolder shapes, richer color and a frame that feels substantial. If you want people to notice the color of your glasses first, start here.

Titanium Plus Acetate: The Two-Tone Middle Ground

DITA VOUNA rose gold titanium sunglasses with a clear acetate rim insert — VOUNA in Rose Gold with a clear Japanese acetate lens rim insert. Image: DITA

Many DITA frames list their material as "Titanium/Acetate," and it's often the easiest way into the brand's look. VOUNA ($635) pairs a titanium frame and temples, traced with multi-pressed line accents, with a thin Japanese acetate lens rim insert. The result is a softly shaped cat-eye with a ring of color right around the lens: White Gold with Black Glass, Rose Gold with Clear, or Silver with Crystal Clear.

What it means day to day: you get the slim, light feel of metal with a line of acetate color that frames your eyes. It's a strong choice if pure titanium feels too minimal and full acetate feels too heavy.

→ Check the latest DITA Eyewear coupon codes and deals

Enamel and Pressed Lines: The Jewelry Layer

Model wearing DITA TRILINE square titanium optical frames with a floating cross brow — TRILINE, with a floating titanium cross brow and enamel inserts at the hinge. Image: DITA

Enamel is DITA's way of adding color to metal without adding bulk. TRILINE ($1,235) shows it at full strength: a single-piece floating titanium cross brow, a two-piece titanium hinge with angular enamel plate inserts, and multi-profile titanium temples ending in enamel-detailed tips. Laser and pressed line detail run across the titanium for what DITA calls tonal depth.

Pressed lines appear across the catalog, on lens rims, temple end pieces and nose pads. They're small, but they're the reason two gold-tone frames can look completely different in daylight.

What it means day to day: enamel and pressed detail don't change the fit. They change how the frame catches light, and they're what you're buying when you step up to DITA's higher-priced optical frames.

TR90 and Titanium: DITA Lancier's Sport Recipe

Close-up of DITA Lancier LSA-449 sunglasses showing the drill-mount lens and DITA-Lancier lettering — LSA-449 detail: a drill-mount lens on a TR90 chassis with a titanium bridge. Image: DITA

DITA Lancier is built for movement, and its materials change accordingly. The LSA-449 ($445 with polarized Land or Sea lenses, $420 with the Air lens) uses what DITA calls an ultra-lightweight, nylon-based TR90 frame chassis, a drill-mount dual lens system, a titanium bridge and half rim with "nylor" detail, and titanium temples with adjustable soft-touch anti-slip tips. The lenses carry anti-reflective and hydrophobic coatings.

Lower down the range, the LSA-716 ($265) is TR90 for both frame and temples and adds a custom anti-walk hinge pin with an open/close assisted detent feature, which is DITA's description of a hinge that clicks firmly into place.

What it means day to day: TR90 frames suit boat days, drives and trails, where grip and a light build matter more than polish. Titanium Lancier frames, such as the LSA-148 optical ($315), sit in between, pairing titanium with adjustable injected soft-touch nose pads.

Lenses: CR-39, Nylon, Curves and Coatings

Frame material gets the attention, but the "Lens Specs" tab is just as telling. Here's what DITA's listings show:

CR-39 on main-line frames such as OMSOANA, ETHYX, LUNARI, VOUNA, TRILINE and OUTRCRAFT.
Nylon on Lancier frames such as the LSA-449 and LSA-716.
Base curve from 2-base (flatter, used on OMSOANA, LUNARI and VOUNA) to 4-base (ETHYX, TRILINE, OUTRCRAFT) and 6-base on the LSA-716, a more wrapped lens.
Coatings: anti-reflective on every frame listed here, plus hydrophobic coatings on the Lancier pairs. Sunglass lenses are listed as 100% UVA and UVB protective.
Polarization: Lancier's Land (brown) and Sea (grey) lenses are polarized; Air lenses aren't, which DITA says gives maximum contrast at altitude.

Materials at a Glance

Material	Example frame	Price (Oct 2026)	Good for
One-piece titanium	OUTRCRAFT	$995	Clean lines, all-day sunglasses
Titanium with acetate tips	ETHYX (optical)	$965	Light glasses with a warmer feel behind the ear
Titanium half rim	LUNARI (optical)	$495	A barely-there everyday frame
Skived Japanese acetate	OMSOANA	$595	Color and a bold square shape
Titanium + acetate rim	VOUNA	$635	Two-tone, softly shaped cat-eye
Titanium + enamel	TRILINE (optical)	$1,235	Detail lovers
TR90 + titanium	LSA-449	$420–$445	Outdoor and sport days

Keeping Each Material at Its Best

DITA's care advice covers every material in one routine. Clean frames under lukewarm water with a light solution of mild dish detergent, then dry with the microfiber pouch or cloth. Use a lens cleaner on the lenses. Store frames in the case in a cool, dry place, because prolonged heat in cars or near heaters can deform a frame, and don't rest them on your head, which can widen the arms. The brand also notes that frames gradually form to your face. Keep in mind that the one-year limited warranty on US dita.com purchases excludes scratched, fractured or shattered lenses, so the case is worth using.

What We Like and What to Watch

What we like

Every listing breaks down frame material, lens material, base curve and coatings.
Real choice of material, from TR90 sport frames to one-piece titanium.
Titanium hardware even on acetate frames.
Free Express 2-Day shipping in the US.

What to watch

DITA doesn't publish frame weights, so "lightweight" is the brand's description.
Enamel-heavy frames sit at the top of the price range.
Returns must reach FedEx or DHL within 15 days of delivery with the security tag still on.
Lens damage isn't covered by the warranty.

Who Should Choose Which

Choose titanium if you wear glasses for long days and like a minimal look. Choose acetate if color and shape are the point. Choose titanium plus acetate if you want both. Choose Lancier TR90 if your sunglasses live in a car door or a beach bag. If you're mainly shopping on price, it may make sense to start with Lancier and browse current DITA Eyewear offers first.

FAQ

What's the difference between titanium and beta-titanium at DITA?

DITA lists both on its product care page. On its craftsmanship page it describes its beta-titanium as light, durable, extremely flexible and one-third the weight of steel. Individual listings usually just say "high quality titanium."

Are DITA acetate frames all acetate?

Not entirely. Frames like OMSOANA list a titanium hinge plate and DITA's proprietary hex screws alongside the Japanese acetate.

Which DITA frames use TR90?

Several DITA Lancier sunglasses, including the LSA-449 (TR90 chassis with titanium temples) and the LSA-716 (TR90 frame and temples).

What lens material does DITA use?

The listings we checked show CR-39 on main-line frames and nylon on Lancier frames, with anti-reflective coatings throughout.

Final Verdict

With DITA, the material decides how the frame lives with you more than the shape does. Titanium disappears on your face, acetate brings color and weight you can feel, the two-tone frames split the difference, enamel adds the jewelry, and TR90 handles the rough days. Choose the material that fits your routine, then the shape, and see the newest DITA Eyewear savings before you check out.

→ Check the latest DITA Eyewear coupon codes and deals

Olivia Reviews researched DITA Eyewear using its official website, product listings and published policies in October 2026. We haven't personally tested these products. We may earn a commission when you buy through our links, at no extra cost to you.