How to Care for Your Denim So It Lasts a Decade

Denim is one of the few fabrics that improves with age. Handled well, a pair of jeans develops fades that map your own posture and habits: at the knee, the seat, the point where a phone or a set of keys sits. Handled carelessly, the same pair goes slack at the knee, pale at the seams and thin at the inner thigh within two seasons.

The difference is almost entirely down to washing. Here is the whole of it, without fuss.

Wash cold. Wash rarely.

That is the short version, and if you read nothing else, it's enough.

Rarely means every ten wears or so under normal conditions, not after every wear. This is not about tolerating dirt. Denim is a heavy, dense, robust fabric that resists odour and soil far better than lighter cottons, and the washing machine is the harshest thing that will ever happen to it. Each cycle abrades the surface, agitates the seams, strips indigo and, in denim with elastane, gradually degrades the elastic fibres that give the garment its recovery.

Wash when they're genuinely dirty or no longer feel fresh. Spot-clean a mark rather than washing the whole garment for it. Between wears, hang them somewhere with air moving: the back of a door, an open hook, a balcony for an hour. Airing does most of what people think washing is for.

Cold means 30 °C or below. Heat is what causes the shrinking, the fading and the puckered seams. Cold water preserves the indigo, the fit and the fabric structure.

The washing method, step by step

1. Turn them inside out. This protects the outer surface from abrasion against the drum and other garments, and it's the single easiest habit to adopt.

2. Close the button and zip. An open fly twists in the drum and stresses the closure and the seam around it.

3. Wash with similar colours, especially for the first few washes. Indigo transfers, and a new pair will release some dye.

4. Choose a cold, gentle cycle  30 °C or lower, low spin. A high spin speed forces creases into the fabric and stresses the seams.

5. Use a mild, liquid detergent, and less than you think. Powder detergents can be abrasive and dissolve poorly in cold water. Skip fabric softener entirely, it coats cotton fibres, dulls the surface and interferes with the way denim breathes and breaks in.

6. Skip the bleach and skip the tumble dryer. More on the dryer below.

Hand washing is gentler still if you want to be careful with a pair you particularly like: cool water, a little mild detergent, twenty minutes' soak, gentle agitation by hand, rinse until the water runs clear, press the water out without wringing.

Drying: the part that does the damage

The tumble dryer is where jeans go to shrink, and it's worth being blunt about it. Heat causes cotton to contract, degrades elastane, sets creases and accelerates the wear that shows up as thinning at the inner thigh and seat.

Air-dry instead. Hang by the waistband or fold over a rail or line, and dry away from direct sunlight, strong sun bleaches indigo unevenly.

Denim dries slowly; a few hours to a day is normal depending on weight and humidity. Reshape them while damp: smooth the leg seams flat, pat the waistband and pockets into shape, and they'll dry into the shape you want rather than the shape the machine left them in.

If you have absolutely no alternative to a dryer, use the lowest heat setting and take them out while still slightly damp, then hang to finish. But air-drying is genuinely the better habit, and it costs nothing.

Keeping the shape

If your denim contains elastane, it will relax through the day. This is normal and expected. The fabric adapts to your body over a few hours of wear. A short cool wash and air-dry restores most of the original shape. If you find they've relaxed more than you like by evening, that's a signal about which size code sits best for you, not a fault in the garment.

Rigid denim behaves differently. It moulds to you over weeks rather than hours, and the fades that develop are essentially a record of how you move. Some people deliberately delay the first wash of rigid denim for months to sharpen those contrast lines. That's a matter of taste, not a rule: hygiene and comfort come first.

Don't fold them at the knee for storage. A crease left in place for weeks becomes a permanent line. Hang by the waistband, fold at the hip, or lay flat.

Repairs: the highest-value habit

The two places denim fails first are the inner thigh, where the legs rub, and the back pocket corners, where the stitching takes strain.

• Both are entirely repairable, and both are far easier to fix early. A thin patch caught before it opens can be reinforced almost invisibly. The same patch caught after it becomes a hole is a bigger, more visible job.
• Check the inner thigh every few months. Hold the fabric to the light; if you can see through it, it's time to reinforce.
• A darn or a patch behind the fabric is standard denim repair and, done well, is barely visible from the outside. Many tailors and alteration shops offer it, and in most cities there are specialists who do it very well.
• A loose button or a split seam is a ten-minute job that prevents a much larger one.
• Repaired denim is not lesser denim. Visible repair has been part of workwear tradition for as long as workwear has existed. A patched knee tells you the garment was worn, which is the entire point of owning it.

A quick reference

Why this matters beyond the laundry

Every pair of jeans carries the resources that went into making it: the cotton, the water, the dye, the energy, the hours of the people who cut and sewed it. The most meaningful thing anyone can do about that footprint is to keep wearing the same pair for a long time. 

Care isn't a maintenance chore attached to the purchase. It's the part that decides whether a garment lasts two years or ten.

We built with that in mind: organic cotton denim, a high-waist straight leg, cut to your own waist, hip and length so the pair you own is the pair you actually reach for. Good denim doesn't need to be babied. It needs to be worn.