It's one of those questions everyone wonders about but nobody actually asks out loud. Here's a straight answer, plus the signs that matter more than any fixed timeline.
The General Rule
Most guidance lands in the same place: replace everyday underwear roughly every 6 to 12 months with regular wear and washing. Elastic degrades, fabric thins, and even well-made pairs lose shape over dozens of wash cycles.
That's a guideline, not a deadline — the condition of the pair matters more than the calendar.
Signs It's Time, Regardless of Age
- The waistband has gone slack and no longer sits snug without rolling or drooping.
- Visible thinning or holes in the fabric, especially at high-friction points.
- Fading or discolouration that washing no longer fixes.
- It's stopped doing its job — riding up, losing shape after a single wear, or feeling looser than when you bought it.
If two or more of these apply, the timeline doesn't matter — it's done.
What Makes Underwear Last Longer
- Wash cold where possible — heat is the biggest cause of elastic breakdown
- Skip the tumble dryer on high heat; air drying or low heat preserves shape and stretch
- Rotate your pairs — wearing the same few pairs on repeat wears them out faster than spreading wear across a full drawer
- Buy quality over quantity where budget allows — better fabric blends generally hold their shape through more wash cycles
How Many Pairs Should You Actually Own?
A good baseline is enough pairs to go roughly two weeks between washes without repeating — for most people that's 10–14 pairs. This also reduces wear-and-tear per pair since nothing gets worn and washed twice a week.
If you're due a refresh, our multipacks are the easiest way to top up your rotation in one go, or browse the full men's underwear range to mix in some new styles.




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How to Wash Performance Underwear So It Lasts