COMFORT FOR THE LONG HAUL. When you're on the run, you want comfort that goes the distance. The Nike Spark Socks deliver, with a secure and breathable fit made for your workout. Benefits Switch-foot arch support lets you wear your socks on either side. Use it to curate where your underfoot cushioning is placed. Fabric in the heel helps secure the fit for support. Mesh at the top of the foot helps provide ventilation. Product Details 82% nylon/18% elastane Machine wash Colour : Black/Reflect Silver Style: DB5471-010
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