A bandage dress is one of the few things in a wardrobe that can look faultless standing still in front of a mirror and still make you miserable three hours later. The fabric is doing a great deal of work, and when the fit or the layers underneath are slightly off, you spend the evening hitching the top edge up, pulling the hem down and sitting very carefully instead of enjoying yourself.
That is fixable. Almost all of it comes down to four things: the size you picked, what you put underneath, where the top edge is gripping, and whether you tested the dress in motion before leaving the house.
What a bandage dress actually is
The original bandage dresses of the 1980s were built from narrow woven bands stitched together, which is where the name comes from. Most affordable versions today are something different: a heavy stretch knit with a high elastane content, often with panel lines or lace detailing that echo the look of the original bands.
The practical difference matters. A structured dress holds its shape with boning, linings and seams, so it stays where you put it. A stretch knit holds you by tension spread across the whole garment. That is why it feels supportive, and also why a sizing mistake is felt everywhere at once rather than at one seam. Understanding this makes the rest of the advice obvious instead of arbitrary.
Size for your widest measurement, not your smallest
Take three measurements with a tape held level and not pulled tight: around the fullest part of the bust, the natural waist, and the widest part of the hips. Compare all three to the size chart and buy the largest size the three of them point to. Stretch knit copes easily with being slightly loose in one area. It copes badly with being stretched past its limit in another.
Sizing down does not smooth you out more. Past a certain point the fabric stops compressing and starts migrating, which is the technical explanation for a hem that creeps up every time you take a step. If you are between sizes and the dress is strapless, like this strapless bandage dress with its lace trim and open back, take the larger size. On a strapless style the top edge is the first thing to fail, and it fails faster on a dress that is already at full stretch.
What to wear underneath
Smooth knit shows everything beneath it, so the rule is seamless and simple. Lace underwear, decorative seams and anything with a thick edge will print through, and once you have seen it in a photograph you will not stop seeing it.
A word on shaping layers, because they are oversold. Shapewear smooths the transition between your body and the fabric and reduces chafing between the thighs, which is a genuine comfort benefit over a long evening. It does not change your measurements in any meaningful way, and it will not rescue a dress that is a size too small. A smooth shaping legging is also a reasonable answer to a cold night out, worn as a deliberate full-length layer under a shorter dress rather than hidden under it.
For the bust, a strapless bra works if you buy it by the band rather than the cup, and the band should feel firmer than you expect. Adhesive cups are the alternative. Do not assume a dress has internal support unless the description says so.
Keeping a strapless neckline where you put it
A strapless neckline does not stay up because of your bust. It stays up because of the tension around your ribcage, two or three centimetres below the armpit. That is where the dress should feel firm. If the grip is higher up, across the bust itself, the edge will roll downwards as the evening goes on.
A few things that help:
- Pull the zip up standing straight with your shoulders back, not hunched over a mirror. Zipping while curled forward sets the dress in the wrong position.
- Use double-sided fashion tape on clean, dry skin. It will not hold over body lotion, fake tan or perfume, so dress before you moisturise, or leave the strip of skin untouched.
- Resist adjusting it in public every few minutes. Repeated tugging stretches the top edge out and makes the problem worse rather than better.
The five-minute movement test
Do this at home, in the shoes you intend to wear, before the dress leaves the house. It takes almost no time and it is the single most useful thing in this article.
- Sit on a hard chair for two minutes, then stand up without adjusting anything and look at where the hem has settled.
- Raise both arms above your head and bring them down slowly.
- Walk up and down a flight of stairs.
- Bend from the knees to pick something off the floor.
- Take a deep breath and hold a normal conversation out loud.
If the hem rides up more than a couple of centimetres when you sit, it will ride up all night. If you cannot breathe comfortably enough to talk, the dress is too small, whatever the label says.
Shoes, honestly
A stiletto gives the longest leg line and the least stability, because all your weight is landing on a very small area. A chunky heel spreads that load and is noticeably easier to stand and walk in, which is why something like these chunky-heeled Mary Janes is a sensible choice for an evening involving standing, dancing or uneven pavements. The trade is real: you lose some of the elongating effect. Decide which you care about more on the night rather than pretending there is no compromise.
Jewellery for a bare neckline
A strapless dress with an open back leaves a lot of skin, and the temptation is to fill all of it. Pick one focal point instead. Either a short necklace sitting at the collarbone, or no necklace at all and earrings doing the work. A pair of crystal studs handles the second option without competing with the dress, and studs have a practical advantage over drops when you are dancing or hugging people.
Avoid long pendants on a strapless style. They tend to land exactly on the top edge of the dress and swing against it, which draws the eye to the one seam you would rather nobody studied.
Making it last past one night
Elastane is damaged by heat, and heat is the main reason a stretch dress ends up baggy in the places it used to grip. Wash cold, inside out, in a mesh bag, and never tumble dry or dry it over a radiator. Dry it flat rather than on a hanger, since a wet stretch knit will lengthen under its own weight.
Apply antiperspirant well before you dress and let it dry completely. The build-up it leaves on dark knit is one of the harder marks to shift later.
The short version
- Buy the size your widest measurement points to. Sizing down makes the dress move, not smooth.
- Seamless underwear. Shapewear is for comfort and smoothing, not for making a small dress fit.
- A strapless neckline is held by the ribcage. Make it firm there, and tape onto clean, dry skin.
- Run the sit, reach, stairs, bend and breathe test at home before you commit to the evening.
- A chunky heel buys stability at the cost of some leg line. Choose knowingly.
- One focal point of jewellery, and keep long pendants away from the top edge.
- Cold wash, no heat, dry flat, and the dress will see out the season.
If you are still deciding what to wear rather than how to wear it, the full range of dresses is a reasonable place to start.