Price isn't a reliable guide to quality in denim. Some expensive jeans wear out in a year; some modestly priced pairs last a decade. Here's what to check in the shop or on the product page.
1. Cotton content
100% cotton or very high-cotton blends are the most durable. Stretch fibres add comfort but break down over time, weakening the denim around them. If you want stretch, look for 1–2% rather than more.
2. Fabric weight
Denim weight is measured in ounces per square yard:
- Under 12oz: lightweight, comfortable, less durable
- 12–14oz: mid-weight; the sweet spot for everyday jeans
- 14oz+: heavyweight, very tough, longer break-in
3. Stitching density
Tight, even stitches with no loose threads are a good sign. Flat-felled seams (folded and double-stitched) are stronger than plain overlocked ones.
4. Reinforced stress points
Rivets or bartacks at pocket corners, the fly and belt loops show the maker has thought about where jeans fail. That's how jeans were first designed (see the history of denim).
5. Hardware
Metal buttons and a sturdy metal zip last much longer than flimsy alternatives.
6. Pocket bags
Feel the pocket lining. Thin, slippery pocket bags wear through fast; thick cotton twill lasts (more on pocket bags).
7. Room through the thigh
Jeans that are tight across the thighs wear through at the crotch much faster. A little room there adds years. The lower leg can always be tapered later.
8. Plan for the weak spot
Even the best jeans eventually wear at the crotch. Reinforcing a new pair before any damage appears is the cheapest way to make good jeans last much longer. Denim repairers like Repair My Denim offer it as a standalone service.