Knit Fabric,Polyester,Terry Machine Wash 1/4-length silhouette offers ankle coverage. Thick terry sole provides comfort and impact absorption. Dri-FIT technology helps your feet stay dry and comfortable. Band around the arch feels snug and supportive. Breathable knit pattern on top adds ventilation. The Nike Everyday Essential Socks are a lightweight, versatile sock that can be worn for many different activities. They have a soft feel with breathable knit fabric for all-day comfort. This product is made with at least 75% recycled polyester fibers.