CASUAL COMFORT… 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… Product Features: 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… Product Feature Subheads: Product Details: 98% polyester/2% spandex. Machine wash. Imported.