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Adidas ZX 700 Damen
« on: Sep 4th, 2017, 9:35pm » |
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Midsoles of running shoes are made of foam. Each company has their own trademark foam mix that tries to achieve the following: be as lightweight as possible, be soft in order to absorb the impact with the ground, be elastic (in order to compress on impact and release propelling you forward), be durable (foam does deteriorate with use, so all foam materials need to be engineered to maintain its characteristics for a decent amount of time).
In 2009, Nike introduced Lunarfoam, sometimes referred to as Lunarlon. Nike Internationalist Femme Lunarlon is Nike’s softest, most cushioned and lightest foam compound.
Lunarlon is usually encapsuled in a container of harder Phylon foam in order to give structure and support to the foot where needed.
In short: choose Lunarfoam if you are looking for a soft, plush, cushioned ride.
Phylon is Nike’s basic foam material. It is made of EVA Foam Pellets that are compressed then heat expanded & then finally cooled into a mold. It is easy to identify by the fine wrinkles the foam shows after usage.
Cushlon
Cushlon is a mix of Phylon and rubber additives that makes it lightweight and responsive.
Everybody knows Nike Air. That’s how Nike got big in the 80s in the first place. But do you exactly know what Nike Air is ?
Nike running shoes in the “Air” category often use Cushlon foam in their soles. Soft and resilient, this Nike Air Max 90 Damen Pink foam has 2 limitations: it is quite heavy (as most foam is) and it is not as “bouncy” as many runners expect their shoes to be.
The solution? Cutting off areas of the Cushlon-foam-made midsole and filling them up with plastic bags filled with “Air” (Nike’s secret gas compound). What this achieves is to reduce weight (by replacing the heavy foam with a very lightweight “airbag”) and to increase cushioning (being these airbags softer and springier than the Cushlon foam).
Depending on the shoe, you can have Nike Air bags in the heel, the toe, or both.
Air bags come in 3 formats: Air, Air Max and Zoom Air.
Nike Air -> the most common, medium sized air bags that fit well especially under the heel.
Air Max -> very thick and highly cushioned bags of air. In our opinion too unstable for proper running, mostly used on lifestyle Nike Air Max 2016 Dam shoes.
Zoom Air -> the thinnest units, ideal to fit in low-profile shoes. They were initially developed for soccer shoes, where normal Air bags would not fit inside the ultra-thin sole
Nike Free is a concept. Started around 2005, the idea was to create a shoe that is so flexible that leaves the foot completely free to move in the most natural way.
Some people object that the Frees are still very cushioned shoes, therefore preventing the runner to have a true feeling for the ground below them.
While this might be true, the extreme flexibility of the Free sole unit, combined with very open-mesh and unconstrained upper make for a treat.
What do the numbers next to a Free shoe mean?
Nike Adidas ZX 700 Damen abandoned the use of numbers in the Nike Free line in 2016, when they completely revamped the category.
Originally Nike Frees came in Adidas Superstar Mujer different versions, depending on how flexible they were. Their flexibility was ranked on a scale that goes from 1.0 to 10.0, where 1.0 means “bare feet” and 10.0 is a traditional running shoe.
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