I had a pair rip about 12 years ago. Cheap jeans from the supermarket - might have been the £4 ones. That’s the only time.

In that case I was fortunate I was away from work but going to the airport, went through security with my cheeks hanging out, then went to fat face. Those worked fine (well u til I no ok get fitted their 32” waist), but so do my current “tu” supermarket jeans.