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Cutting Open The Nike ZoomX Vaporfly Next% (You won't believe what's inside!!)



The MOST controversial shoe in decades. Do the Vaporflys provide an unfair advantage? In this video I put these shoes through several tests, dissect them, and …

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45 Comments

  1. NIKE revenue for the twelve months ending November 30, 2019 was $40.781B, a 7.05% increase year-over-year…..YOU SHOULD NOT BE PAYING OVER 200.00 FOR ANYTHING NIKE.

  2. Oldest truism in existence applies here… "you can't stop progress". Does that mean the first anti-gravity Nike running shoes are next years must have? Maybe?

  3. It should be an pressure sensor in the floor and an blind test.
    Film it with 3 slow motion cam on the 3 axis, put it on video software to compare accelerations on the body or the members.

  4. I think you misunderstand the concept of springs. Springs work because when you deflect them they want to return to their original form, which is exactly what that carbon fiber plate is going to do as it bends. As you launch off of your toes while running that carbon fiber plate is going to assist as it pushes on the ground trying to return to its original shape. The fact that your foot doesn't stay flat while running is turning that carbon fiber plate into a leaf spring.

    https://en.wikipedia.org/wiki/Leaf_spring

  5. But the energy is coming from the runner. The shoe 'merely' maximizes the efficiency of whatever energy transfer that goes on during the run and as such I don't consider it to give an 'unfair' advantage. Otherwise, everyone should compete barefooted.

  6. huge error you made here. you should have done the 1 mile run on separate days. the fact that you do the runs one after the other pretty much makes this experiment bs.

  7. If you use the 'natural springs' in your calf muscles, you don't squeeze as much venous liquid back into your blood stream. For competitions a plus but general speaking it's better if you do.

  8. They are designing LD shoes closer to sprint spikes. Hard plate=more return force. But it’s harder on bones, joints and micro trauma to soft tissue.

  9. The way you were swinging that box-cutter it is a wonder you did not butcher yourself on anyone of those strokes. You may need to put a warning on this vid. "Do not use such cutters w/o proper metal woven gloves'. Never, never have a hand under a blade pulling a downward cut toward one's self. Thanks, super vid until the knife came out. 012520.

  10. Carbon fiber exposure can cause mechanical irritation and abrasion similar to that of glass fibers. Carbon fibers are very fine and easily broken by stretching (by less than two percent elongation), and can become a fine dust or fly during any handling operations. This includes manufacturing, qualification, processing, test and evaluation, service, and disposal. If uncontrolled, these composite structures and associated microfibers have the potential to stick to human skin or mucous membranes and cause irritation, particularly to eyes, skin, and lungs.
    Based on the studies it appears that toxicity of respirable, raw carbon fibers and composite dust is substantially different from well-known carcinogenic effects such as asbestos and man-made mineral fibers. The toxic hazards of carbon fibers and dust rank significantly lower compared with the crystalline silica dusts. It has been suggested that, composite dusts should be regarded as more hazardous than the so-called nuisance dusts.
    Good luck bro.

  11. Only in 2020 would a guy destroy shoes that could have been used for a year buy a runner who would appreciate them. Disguising Nick.Glad your ok with "YouTube" paying for that shitty test.

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