A garment in a photograph has been fitted to the camera, not to the model

The picture is a production, not a record

A product photograph is made, deliberately, by people whose job is to present a garment at its best. That is neither surprising nor dishonest in itself. What is worth understanding is how many of the tools available to them work on the fit and the shape, because those are the qualities buyers are trying to judge.

Behind the model, out of the frame, a garment is routinely clipped, pinned or taped to sit exactly as intended. Excess width is gathered at the back, a waist is nipped in, a shoulder is held up, a hem is straightened. From the front the result is a garment that fits perfectly, and it fits perfectly because it has been temporarily altered.

The garment is also freshly pressed or steamed for every shot, hung between takes, and photographed within minutes of being put on. Nothing has been sat in, carried, or worn for six hours, which is the state in which you will see it.

Lighting and colour are the least reliable part

Colour reproduction has to survive several stages, each of which changes it: the lighting on set, the camera sensor, the editing, the colour profile of the file, and finally the screen it’s displayed on. Two people looking at the same image on different devices are genuinely seeing different colours.

Studio lighting is a particular problem for dark and saturated shades. Black cloth photographed flatly loses all its texture, so it’s lit to show shape, which frequently renders it as a dark grey or a very dark brown. Deep navy and black are notoriously difficult to distinguish in a photograph, and returns for that reason alone are common.

Texture is affected the same way. Raking light makes a weave look pronounced and directional light exaggerates a nap, so a cloth can appear substantially more textured or more lustrous than it will in ordinary daylight.

The model is a size reference and a poor one

Many listings state a model height and the size worn, and that information is genuinely useful. What it doesn’t tell you is the model proportions, which are frequently unusual, or whether the size shown was the size actually fitted rather than clipped to shape.

Styling changes the reading too. A garment worn open, sleeves pushed up, over a body of particular proportions, in a pose that is held rather than natural, communicates a silhouette that may not be a property of the garment at all. Poses are chosen because they present clothes well.

Flat-lay images have the opposite bias: honest about shape and shorter on drape. A garment photographed flat shows its cut clearly and tells you very little about how heavy it is or how it moves, which are among the things most worth knowing.

What images can be trusted for

Photographs are reliable for pattern, for construction details when they are shown closely, for hardware, and for the general architecture of a garment. They are moderately reliable for colour when several images taken in different conditions agree with each other.

They are least reliable for fit, weight and drape, which is inconvenient, because those are exactly the properties that determine whether a garment gets worn. This is why measurements matter so much in remote buying, and why fabric weight, when a seller publishes it, is worth more than several more photographs.

Customer photographs, where they exist, are useful precisely because they are bad photographs. Ordinary lighting, an unpressed garment on an unposed body, and no clips at the back give a far better sense of what the thing looks like in a normal room.

Reading a listing with all of this in mind

Look for the images that were not designed to sell: back views, detail shots, images on more than one body, video where it exists. Motion tells you more about weight and drape than any still, since a heavy cloth swings differently from a light one and no amount of styling changes that.

Treat the styled photograph as a statement of intent — this is the silhouette the designer had in mind — rather than as a promise about what will arrive. That framing is useful, because the intent is real information even when the fit shown is not.

And decide in advance what you would do if the colour is different. A great many returns are colour returns, and knowing whether a shade slightly off from the photograph would still work in your wardrobe converts a disappointment into a decision.