DOUBLE INJECTION SOLE AND UPPER FORM ONE UNIT
The sole of the ZEPHYR MK2 GTX HI is connected to the upper using a technically complex injection procedure, which guarantees effective cushioning and high comfort. Then the upper part of the shoe is placed in a special form, which is then filled with several layers of polyethylene foam. The result? A sole connected directly to the upper forming a single unit.
Lightness
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Polyurethane is used in this procedure. This is a very light foam.
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Cushioning
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Polyurethane is a very light foam that has excellent cushioning properties. Even if they are continually crushed, the millions of bubbles that compose it retain their shape and always return to their original state. The result is a good rebound effect.
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Available in many versions
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thanks to direct injection, it is possible to create very different variations of the sole. The various properties of the materials used allow us to broaden and diversify the areas of use of the shoes.