A simple sum, worth doing once
Cost per wear is not a complicated idea. Take what you paid for a garment, divide it by the number of times you wear it, and you have what the piece actually costs you. It is one of the most useful numbers in a wardrobe, and almost none of us run it at the moment we are deciding.
A price tag measures one thing: what it costs to bring a garment home. It says nothing about what it costs to keep wearing it, which is the part you actually live with. That second number is where the real value of a piece is decided, and it is the one worth your attention.
The arithmetic, worked conservatively
Here is the working, with deliberately modest assumptions, so the numbers are honest rather than flattering.
Paula Ryan Slim Fit Merino Top, $300.
A $300 merino top worn twice a week for five years comes in at under 58 cents a wear. Worn twice a week through ten winters, it costs less again. A $420 Microjersey piece worn three times a week for five years lands at under 55 cents a wear. None of this asks the garment to be precious or rarely worn. It asks only that the piece holds up, which is the part a wear-tested fabric is chosen to do.
A lower price up front and a higher price up front can swap places once you divide by the wearing. That is the whole point of the sum: a number that feels like a lot at the till can quietly become the most economical thing in the drawer.
What the price tag leaves out
A few costs of ownership never make it onto a receipt:
- Replacement. A garment that needs replacing every season costs you that slot in the wardrobe again and again. One that stays for years costs you the slot once.
- Time. Shopping, returning, and re-buying the same thing takes hours that never show up in the price.
- Confidence. Reaching for a piece you trust, without a second thought, has a value that is real even if it never appears in the maths.
- Sustainability. A garment made from polyester — the default fabric at lower price points — does not biodegrade. When it leaves your wardrobe, it goes to landfill, where it will remain, largely intact, for centuries. The environmental cost of a $50 top is real; it simply does not appear on the receipt.
The other side of the sum
There is a cost the arithmetic does not capture, and it belongs to the $50 top. A garment at that price point is almost certainly made from polyester — a fabric derived from petroleum, engineered to last in the technical sense, but rarely worn long enough to prove it. Most pieces at this price are retired within a season or two, not because they fall apart, but because they are designed to be replaced. Polyester does not biodegrade. It does not compost. It does not return to anything useful. It goes to landfill, where it will remain, largely intact, for centuries. The $50 tag is not the full price. The rest is paid quietly, by the planet, long after the garment has left your wardrobe.
When the sum does not apply
Cost per wear is not the right measure for everything, and it is worth being honest about that. A wedding dress is not a cost per wear purchase. Neither is a costume, a one-occasion piece, or something bought purely for the pleasure of a single day. Those purchases are lovely, and they answer a different question.
The sum earns its keep on the core of a wardrobe: the trousers, the tops, the jackets, and the dresses you reach for again and again. These are the pieces that do the daily work of getting you dressed, and the ones where the arithmetic tends to land in favour of buying once and buying well.
A small reframe
$300 or $420 is an investment, and we will always say so plainly. What cost per wear offers is a second way to read that number, alongside the first.
The next time you are weighing two garments at different prices, you might simply add one question to the one you already ask. Not only "what does this cost," but "what will it cost me to wear, over the years I will actually wear it." The answer is yours to work out, in your own time. The pieces will wait.
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