The i-Run team says
Technologies
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Quicklace
Easy to put on and take off. For a secure and personalized fit.
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EnergyCell
Midsole providing better forefoot propulsion
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Contagrip TA
Designed for maximum grip on unstable, loose, or rough surfaces, the Contagrip TA features deep lugs made from a rubber that offers a good balance between durability and traction.
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Matryx
Innovative shaft incorporating patented technology, it is woven with aramid fiber to ensure a comfortable and effective fit for the foot.