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Het Journal

Cost Per Use: The Quiet Mathematics of Buying Things That Last

Woman seated with a handmade black leather crossbody bag in a warm interior

There is a number worth knowing before any wardrobe or interior decision: the cost per use. A €40 sweater worn ten times costs €4 a wear. A €180 sweater worn two hundred times costs 90 cents. The expensive thing, chosen well, is routinely the cheaper thing — and the more sustainable one.

Why cheap objects are expensive

Fast products are engineered to a price, and the price always wins. Seams are glued where they should be stitched; fibres are blended for the mill’s economics, not for your years of wear; hardware is zinc where it should be brass. None of this is visible on day one. All of it is visible by month eighteen — usually in a landfill.

Five signals of an object built to last

  1. Named materials. “Genuine leather” means almost nothing; full-grain, vegetable-tanned leather means everything. The more precisely a maker names the material, the more they have to be proud of.
  2. Visible construction. Welted soles, saddle stitching, dovetail joints, fully-fashioned knitwear. Construction you can see is construction someone was willing to be judged on.
  3. Repairability. Can a sole be replaced, a strap re-stitched, a part reordered? Brands that answer yes are planning to be around — and planning for your object to be, too.
  4. A maker with a face. Workshops with names, towns and histories have reputations to lose. Anonymous supply chains don’t.
  5. A real warranty. A company that backs a product for years is telling you what it believes about its own quality. (Every product at Sumeos carries a 2-year warranty — because our makers let us.)

Care is half the lifespan

Even the best object lasts twice as long when cared for: cedar and rest for knitwear, balm twice a year for leather, oil for wooden boards, gentle cycles and air-drying for linen. We publish care notes on product pages — three minutes of reading that often doubles a lifetime.

Buy once, choose slowly

The buy-it-for-life mindset isn’t about spending more; it’s about deciding more carefully and less often. Start with the objects you touch daily — your bag, your shoes, your bedlinen, your knife — and upgrade them one at a time, permanently. That’s the entire philosophy of our catalogue, from apparel to home.