REACTX INFINITY RUN 4 Size:44 A perfect combination of softness

A perfect combination of softness and elasticity

New lightweight and resilient foam for improved cushioning

Nike AeroLoft technology for lightweight warmth and ventilation

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hold and effective drainage of perspiration

REACTX INFINITY RUN 4 Size:44 A perfect combination of softnessReliable cushioning, good support, and a smooth ride: the Nike InfinityRN 4 reinvents a classic. It's made with our all new Nike ReactX foam, which delivers 13% more energy return than React foam, so you can conserve your energy for a dynamic stride. (What's more? To help care for our planet, Nike ReactX reduces the midsole's carbon footprint by at least 43% compared to Nike React foam.) We've paired ReactX foam with Flyknit, Nike Running's most