Pack of 3 pairs of eco-conscious crew socks. Size 5-980% bamboo rayon, 16% polyester, 4% spandex These socks were made with bamboo rayon: a better for the planet fabric. Bamboo is one of the fastest growing plants in the world, and grows without the use of pesticides, making it a sustainable raw material. Naturally antibacterial. | Ardene 3-Pack Bamboo Rayon Crew Socks in Black | Polyester/Rayon/Spandex | Eco-Conscious