Joe Famolare didn't stop at one patent, he was granted more than 40. Those patents set off a wave of thousands of sneaker patents citing them as prior art. Three pairs of Famolares live in the Metropolitan Museum of Art's permanent collection today. It's not your weight that rolls you forward, it's the bio-engineering built into the sole of our retro Y2K footwear trending now. That engineering hasn't changed since 1969, and every sandal we make still starts from it.