The i-Run team says
Technologies
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SprintWeb
Geometric design of the seamless slipper for optimized support
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Boost
Thousands of special energy capsules are injected together into a midsole to revolutionize the way of running. The Boost technology has been designed to highlight superior energy return and extreme cushioning flexibility. This material is three times more durable than standard EVA and remains effective at temperatures ranging from -20°C to +40°C.