Nike Spark Lightweight Crew Socks Black Women 9.5-11 Men 8-9.5 NWT Nike Spark Lightweight Crew Running Socks provide a thin, breathable feel for high-performance training. Engineered with Dri-FIT technology to wick away sweat, these socks feature a heel lock system for a secure fit and integrated ventilation to promote cooling. The versatile design allows for support at the arches or lateral edges by switching socks between feet. Finished with a reflective Swoosh logo and a textured cuff for a modern athletic look. Measurements: • Size: Men 8-9.5 / Women 9.5-11 #Blokecore