75% cotton, 20% polyester, 5% elastane. SIZE: Our yoga socks come in one size that fits US women 6-9.NON SLIP GRIP: The non-skid grips on the bottom are distributed evenly from heel to toe to prevent you from slipping on wood studio floors. Our sticky gripper sox really stick even after multiple workouts uses and washes. We keep you connected to the mat machine or floor.HIGH QUALITY FABRIC: The high performance yoga socks are made with high quality cotton, which ensures good elasticity and snug fit. You will enjoy relaxation and comfort during yoga process by combining essential oil diffuser (http://a.co/d6K6wN9) with our yoga socks. Eco-Friendly soft material hugs your foot and keeps you clean and dry.COMFORTABLE TO WEAR:Elegant sexy straps prevent the socks from falling off and the design gives you a unique style. It also works as a breathable layer to be more free, which is also a great way to protect your feet. These Anti-skid socks are also perfect for pregnant women, hospital patients, the aged people, etc.VARIOUS FUNCTIONS: Our high performance yoga socks are ideal to use with All Barefoot Workouts including Pilates, Barre, Yoga, Workout, Aqua Gym, Water Aerobics, Dance, Martial Arts, Gymnastics, Hospital, Exercise around the Studio and more. You can also wear the yoga socks when extra traction is needed on slippery floors.100% SATISFACTION GUARANTEE: If you’re not satisfied with our socks within 60 days of your purchase, we’ll refund your order without any question asked.