The Therafirm 15-20 mmHg Closed Toe Thigh High Compression Stockings are designed to improve circulation, relieve tired, heavy, aching legs, and prevent moderate swelling. FEATURES 15-20 mmHg (the mean compression for an average ankle size) Fashionable semi-opaque knit Soft comfort band is non-restrictive while staying in place all day Two-way stretch nylon and spandex blend Patented Micro-Cool process wicks away moisture, providing a comfortable coolness MODERATE COMPRESSION (15-20 mmHg) Tired, achy legs Occupational swelling or evening edema Leg discomfort from long hours of standing or sitting Prevent varicose veins and swelling during pregnancy Prevent medical issues for those with risk of vein health issues Reduce swelling during travel Prevent Deep Vein Thrombosis (DVT) during travel SPECIFICATIONS Brand: TherafirmCompression: 15-20 mmHgStyle: Thigh HighFabric Content: Coolmax, Nylon and Lycra