80% cotton, 15% spandex, and 5% ABS; non-slip sole. These socks are sweat-wicking, odor-free, breathable, and stretchy enough for most adults. We've also added durable spandex to prevent slipping. Non-slip socks: Combed cotton and a combed, non-slip design wick away sweat, and the soles are completely non-slip. Non-slip yoga socks: These non-slip yoga socks are perfect for all sports or leisure activities. Not only for yoga, but also for Pilates, ballet, hot yoga, martial arts, gymnastics, and ballet. They are perfect for home, travel, studio, fitness classes, hospital use, seniors, and pregnant women. Unisex non-slip socks: Our non-slip socks can be used for yoga, Pilates, ballet, home use, or any other workout. They are also perfect for wearing in the hospital. The non-slip sole is perfect for seniors, pregnant women, and patients and effectively prevents slipping, both in the hospital and at home. Cushioning and breathable. The fully cushioned sole covers the entire insole, keeping your feet dry and comfortable while providing optimal protection. Show more