The i-Run team says
Technologies
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Max Air
Air Max, Nike Air's largest cushioning technology, features the biggest volume of air to absorb impacts. This visible Air technology allows for an increase in air volume at any time. The result is a shoe that can accommodate an ever-larger air cushion. To enhance the cushioning characteristics of a shoe, the technology can also adapt in shape, size, and pressure (single or double). This technology is continuously developed to offer more specific benefits to all types of runners, whether they supinate, pronate, or have a neutral gait.