90% Premium Viscose from Natural Bamboo,10% SpandexImportedMachine WashSocks Fabric Ultra Soft & Comfortable & Breathable soft and skin-friendly; the socks are light and breathable without stuffy sweat, ensuring cool and dry feet. They are elastic and have a great stretch, and the non-binding top adds to your comfort.Women's Soft Thin Bamboo Stretchy Crew SocksThey are made of soft, high quality bamboo fibers that provide form-fitting compression, odor-resistant breathability and strong moisture wicking for all seasons home office daily wear with a variety of outfits such as dresses, sweatpants or jeans. They can be worn indoors and outdoors, making them an aesthetic gift choice for your friends, loved ones, mothers or other family members on birthdays, Christmas, Halloween. M size (Shoe size:4 to 8); A wide variety of colors to choose from: Bamboo women's soft thin crew socks are simple solid colors, such as: black, white, gray, blue, pink, green, purple, beige, skin, dark gray, and mixed colors are available. The colors do not fade with multiple washes and are machine washable.