Indestructible and not so dowdy

The substance is hardly userbase. One of those Ranger pants I'm wearing for five years, the fabric still looks new hold out !, the seams. If you will be drenched by storms, you will not last long in wet pants dries quickly, it retains its shape. Against cold and winter, is well protected - and in heated rooms must not sweat it.
I use two of these pants in violence trips by bike and see after that neither like a Yeti still like a bum out.

How do you get as a trouser manufacturer actually everything together so well going?