Spandex.Hand Wash Only.BODY ERGONOMIC DESIGN - Our proprietary gradient compression zone technology gives you optimal pressure where your body needs it most. Helps relieve tired, aching legs, and minor swelling of feet, ankles, and legs. During pregnancy, helps prevent and relief varicose veins and spider veins.PERFECT PERFORMANCE RECOVERY- It maximum boosts to your blood circulation, helps regulate temperature by keeping you warm when cold, and cool when hot, it will aid in muscle recovery from your toes, through the feet, ankle and calves, also up the leg.DESIGNED for EVERYDAY USE - The fabric are double stitched and use our patented weave to further improve the amount of compression, increasing blood circulation. Its perfect for jobs that require you to be on your feet a lot.DESIGNED for CROWD - Perfect for athletes, runners, nurses and doctors, pregnant women - anyone on their feet all day. Provides significant relief for aching leg, calf, ankles and feet. Firm compression and helpful support for old and new injuries.DESIGNED FOR COMFORT: Comfortable for all day, everyday use. Premium stay up top leaves no marks. Ideal thickness to fit any shoe. Discreet and stylish design for walking, sitting, standing, travel and all attire from casual to work, dress or formal.