Nike Men's ReactX Infinity Run 4 PRM Size (US Men):10.5 and the black polyurethane midsole

and the black polyurethane midsole sits above a durable two-tone rubber outsole for versatile traction

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The lightweight canvas upper keeps the design breathable

while the Dynamic Fit collar and internal bootie create a secure

From daily training to recovery runs

Nike Men's ReactX Infinity Run 4 PRM Size (US Men):10.5 and the black polyurethane midsoleNike InfinityRN 4 PRM Reflective Comfort for Winter Runs Designed to handle winter conditions, the Nike InfinityRN 4 PRM delivers maximum cushioning and a smooth ride with ReactX foam underfoot. Its rocker shaped platform supports a natural stride, while the plush collar and tongue add comfort for long miles. Reflective detailing across the midsole and upper enhances visibility in low light, helping you stay seen on early morning or evening runs.