A Good Product Adapts to You, Not the Other Way Round
The short answer: Three rows of hooks because your ribcage changes through the month. Nylon-spandex because your body changes through the year. Two measurements rather than a guess, because bodies are not standard. The same principle sits under all three: the product adapts to you, not you to the product.
For a long time the category here worked the other way round. There was a size on a shelf, and your job was to fit it, or to accept that nothing fitted. Women got very good at adapting to bras. We think that was backwards.
Three hooks, three reasons
People ask why bras have so many hooks, and the honest answer is that your ribcage is not one measurement.
It changes through the month, which is why you want a looser hook some days and a tighter one on others. It changes through a day, swelling slightly in heat. And the band itself relaxes across six to nine months, which is why you start on the loosest hook and work inward as the bra ages.
A single hook would be cheaper to make. It would also mean the bra fitted properly for about a week.
Stretch is a design decision, not a cost saving
Our fabric is nylon-spandex. It stretches, it absorbs sweat and it dries fast, which matters in this climate more than it would elsewhere. The one exception is Easy Fit Sports Bra, which is cotton-spandex.
Stretch is also why the size-up rule works: between sizes on a seamless style, go up one, and the fabric takes up the difference. A rigid cup cannot do that, which is why on a push-up or band-and-cup style such as Comfort Curve Bra you stay at your exact size instead.
Measured, not guessed
Two measurements, ten minutes, free, in a private room. Underbust and bust, taken properly, with someone looking at your shape as well as your numbers.
The reason this matters is that imported size charts are graded on a different average body. A lean torso with a fuller bust is one of the most common shapes we measure here, and it is the shape those charts handle worst. Women with that shape get told they are between sizes, over and over, by charts that were never drawn for them.
What the principle rules out
It rules out telling a woman her body is the problem. It rules out one shape of cup and a hope that everyone fits it. It rules out a size guess dressed up as a result.
It also rules out some things we could sell. We do not have a maternity range, and we say so rather than describe a stretch bra as one. We do not have a strong high-impact sports bra, and we say that too.
Questions women ask us
Why does SHAPE not use underwire?
Because a wire is a rigid object against a body that moves, and it is the first thing to dig in on a long day. Our lift comes from structure instead.
How often should I be re-measured?
Once a year is sensible, and sooner after any significant change. It is free, so there is no reason to wait.
What if my size falls between two of yours?
On seamless styles, go up one. On a push-up, we measure again rather than round.
Does stretch fabric mean it will go loose quickly?
A bra lasts six to nine months of regular wear. Rotating three rather than wearing one daily is what gets you to the top of that range.
Related in The Fitting Room
Free, private fittings. Walk into any SHAPE store and ask to be measured, or send us a message and we will do it on video. It takes about ten minutes, it is private, and you never have to buy. WhatsApp +880 1784 163199 · Find a store
Part of The Fitting Room by SHAPE.
