Most of our socks are Lightweight and Ultra Lightweight Cotton. Cotton is widely preferred for softness. Nylon is used for strength and spandex is great for stretching power. The brillant colors show detail in our designs. Lightweight Stretch Cotton are great form fitting socks. Each pair are made with high quality soft cotton and have great stretching power wash after wash. The colorful motifs certainly make a fashion statement! This style goes with a wide variety of shoe styles, especially sandals.