These are breathable mesh type socks that provide a smooth, dry feeling, with 3x the breathability. Colors are black, dark gray, and light gray, in sets of 2 pairs each. These are long socks. [See photo 1] This is a limited-quantity special offer for a set of 6 pairs, so please take advantage of it. These are for summer, and are also listed on other sites. They will be removed once they are sold out, so please be aware of this.