
Amado Rodriguez Jr. discusses the history and technology of running shoes, particularly the adidas ZX Series and Osaga.
Amado Rodriguez Jr. started his blog, The Official Encyclopedia Sneakérica, with one goal... to do for sneakers what Encyclopedia Britannica did for everything else. No hype. No "buy it now" buttons. Just the deep cuts, the real history, and the stuff that gets lost when everybody's chasing the algorithm. He's @SneakerProfiler on Instagram, a B-boy whose parents came from Puerto Rico, a military veteran who ran constantly during his time in the Army, and a marathon runner who might know more about the ZX Series than most people at adidas right now. We talked for a long time over video. He had shoes. A lot of them. Here are some of the places we went. Amado traced the entire modern running shoe back through the Osaga cantilever outsole, the dual-density foam on the SL 72, and the torsion system in the ZX 1000, making the case that most of what we consider revolutionary in 2015 was figured out in 1972. He held each one up to the camera to prove it. He also showed off a Wales Bonner SL 72, an adidas Rivalry 414 collab from a Milwaukee shop, a Saucony Jazz 81 he wore the day his daughter was born, and an Osaga that the brand's founder's grandson sent him. We got into the ZX 8000 and…
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