As I remember following the Hippie sandals of the late 50's to 1967 (the original Hippies, not the radical Yippies that soon followed them) the heydays for Earth Shoes was in the 70's and 80's and they have become harder and harder to find since. The most expensive brands still offer some, but it appears that even they are fading away too. Enter the 21st Century and a few years later the Crocs came along, and are still going strong. So I started using them too.
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I went to Birkenstocks. They’re expensive but they last. The clogs still look as dorky as ever (doesn’t stop me from wearing them) but some of their other shoes are really cute lately.