Frame Materials Explained: Acetate, Metal & Beyond

Frame material affects how a pair of glasses feels day to day far more than most buyers expect — weight, flex, and how well the frame holds its shape over years of wear all come down to what it is made from.

Acetate

Acetate is a plant-based plastic and the most common material in premium eyewear, including most of our Ray-Ban range. It is prized for rich, layered colour and pattern effects — like the tortoiseshell and transparent tones seen across our Wayfarer and Justin styles — and it can be shaped close to the face for a secure fit. It is slightly heavier than metal and, being a plastic, benefits from being kept out of prolonged heat, which can soften and warp it.

Metal

Metal frames, often in stainless steel or lightweight alloys, are thinner and lighter than acetate, which is why aviator and round metal shapes — like the Ray-Ban Round Metal — tend to feel barely-there on the face. Metal hinges are also generally more durable over time than acetate hinges, though they can bend out of alignment and need periodic adjustment.

Mixed Materials

Some of our most distinctive frames combine both — the Clubmaster's acetate brow with a metal lower rim, for instance. Mixed-material frames borrow acetate's colour and character with some of metal's lighter weight, at the cost of slightly more complex repairs if something does go wrong.

Rimless Construction

Rimless frames, like the Ray-Ban RB3768 and our Ray-Ban x A$AP Rocky rimless styles, remove the frame around the lens entirely, attaching temples directly to the lens. This gives the lightest possible feel and the least visual bulk, though it asks a bit more care in handling since there is no rim protecting the lens edge.

Which to Choose

If you want bold colour and a snug fit, acetate is usually the better choice. If you want the lightest possible frame or a more understated look, metal or rimless construction tends to suit better. Either way, material only tells half the story — fit matters more, which is why we recommend trying a frame on rather than choosing on spec alone. Our eyewear care guide covers how to look after each material long-term.