Nike Sportswear Everyday Essential unisex socks black, made of soft stretch fabric for everyday comfort, are durable, breathable and extremely comfortable. This product is made from at least 75% recycled polyester fibres. Dri-FIT technology for dry skin and ideal comfort. Reinforced heel and toe for ideal durability. Mesh strategically placed for greater breathability. Black colour. 97% Polyester - 3% Spandex. Regular fit.