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Nike Free 5.0 Femme
« on: Sep 4th, 2017, 8:09pm » |
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After an admittedly quite long preamble about Nike’s tech, let’s Nike Air Max 2017 Dame finally talk about shoes.
Scientists, podiatrists, runners and shoe companies are slowly but surely moving away from categorizing their Adidas Neo Hombre shoes solely based on the degree of pronation support they offer.
Nike is now categorizing their shoes based on the type of run the athlete wants to achieve. The guiding principle is “every run has a purpose”. Some runners want to run at a leisurely pace, maybe high mileage and prefer a shoe that offers comfort, breath-ability and soft cushioning.
Some Adidas Stan Smith Mujerother runners might prefer running fast and the feeling they want is responsiveness and quick foot turnaround. Other runners instead might be working on improving their running technique and stride and might be looking for a shoe that allows their feet to move as naturally as possible.
Many runners will be all of these, during different runs and different Adidas ZX Flux Mujer stages of their training/racing calendar. It is not a matter of how their ankles roll during the gait – it is a matter of what kind of running they enjoy and what they are trying to achieve. Once that is clear, there will be shoes able to accommodate all kind of over-pronation issues in each of the categories.
The new principle behind the Nike FREE line of running shoes is called “auxetic design”.
When your foot hits the ground, it expands both in length and width. Picture bouncing Nike Air Huarache Femme a ball on the floor: it squeezes and deforms because of the impact, then the opposite happens while it bounces back.
Nike engineers were looking for a way to design a midsole so that it would expand in both directions during the foot strike. The issue is that most materials, when stretched in one direction, become smaller in the perpendicular direction.Nike Free 5.0 Femme Again think of an elastic band. If you pull it to stretch it long, it will most likely become narrower in the middle.
The auxetic design, characterized by the triangular cuts you see in the picture, allows the sole to do that. A stretch in one direction will equate to a stretch in the other.
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