I have a jacket made for a friend of my dad, that then was given to him when he was 15 ... that was over 60 years ago. Looks like new. The only unfortunate bit is that my shoulders are a bit wider than my dad's and I can't wear it well. But my teenager son can.
The fashion industry is among the worst offenders. People in the Western world should know about what happens to clothes they reject. The Atacama desert [1] in Bolivia and Chile, and in Nigeria [2]. The Textile Mountain film does a good job at stating the dire consequences clearly: https://www.textilemountainfilm.com
[1] https://www.nationalgeographic.com/environment/article/chile-fashion-pollution
[2] https://climateaction.africa/fas-the-challenges-of-textile-waste-in-africa/
