Last weekend marked the 25th anniversary of Earth Day. Not coincidentally, it also marked the 25th anniversary of Earth Shoes. An appreciation:

What are Earth Shoes? They were the first shoes to be marketed with a "negative heel"-meaning their heels were actually lower than their raised toes. This was said to mimic the effect of walking in sand and to make for orthopedically superior posture. In appearance, Earth Shoes pioneered the flanged, boxy look that epitomized much '70s design and can be seen in such later icons of the decade as Bruce Jenner's hair and the A.M.C. Pacer.

Did Earth Shoes...

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