One thing we would often find in a tourist's suitcase back from the US, would be this:
So Levi Strauss, a jew immigrant from Germany, comes to San Francisco in 1847 with a stock of blue kind of canvas sheets. He starts cutting them to make pants. Gold seekers start buying them because they like their strongness.
The tissue imported from Nîmes gives denim in English. Likewise, the word jean comes from Gênes, this italian harbor where the tissues are being imported from!
You know the rest of the story, a piece of it is probably in your closet...