What's Actually Inside Nike Shox (Cut in Half - NO SPRINGS!?)

Pick up an American made Rose Anvil belt here - https://bit.ly/3yWdqmk Nike Shox R4 Review - Nike shox reviews always talk about the shox technology but nobody knows if Nike shox work or if it’s just a gimmick. We bought a pair of shox to put to the test and cut in half to see what’s inside and find out the truth about nike shox r4. BUY THESE SHOES: Nike Shox R4 (2018) - https://stockx.pvxt.net/5b06R1 Air Max 2021 - stockx.pvxt.net/x9vZMO VIDEOS MENTIONED: Nike Air Max 2021 Cut In Half - https://youtu.be/xxrXtdVyn34 Nacho Average Finds: The Rise And Fall Of Nike Shox - https://www.youtube.com/watch?v=wnx9CIOvJKM&t=1s&ab_channel=NachoAverageFinds QUICK ANSWER: There are no springs inside Nike Shox. We cut them in half. The columns are hollow polyurethane foam — no springs, no air unit, no liquid. The foam measures 50 Shore A, roughly double the density of the midsole beneath it (21 Shore A), which is exactly why they feel stiff in daily wear. Do they work? Under a 40 lb steel bar dropped from 36 inches, yes — filmed at 240fps, the columns compress hard and rebound almost instantly. Real energy return, real engineering. But it only shows up under serious impact, which is why most people never felt the benefit walking around. The tech wasn't fake. It was just tuned for a force most of us never generate. 🔬 WHAT WE FOUND INSIDE: No springs. Hollow PU foam columns. Column foam: 50 Shore A | Midsole: 21 Shore A — the columns are ~2x denser Bar drop test: 40 lb bar, 36" drop, fi