High-Quality Materials: Made with carefully selected high-quality cotton for comfortable wear and durability. Set of 10: A convenient set of 5 pairs in the same color, perfect for daily wear in business or casual settings. One Size Design: Stretchy fabric provides a comfortable fit and accommodates a wide range of sizes. Classic Design: Simple black color, a basic design that easily matches various styles. Ribbed Construction: Comfortable ribbed construction that fits the foot, prevents slipping, and is comfortable for long hours of wear.