Maternity Knee Highs 10-15mmHg* Gradient Compression(*The mean compression for average ankle size.) True gradient compression delivers a controlled amount of pressure greatest at the ankle and gradually decreases towards the top of the stocking to promote better blood flow. Soft comfort band is non-restrictive while staying in place all day. Super soft material is breathable and provides support to energize legs. Toe is reinforced for durability and rounded for a comfortable fit. Micro-Cool® process creates a wicking effect so moisture evaporatesfrom the skin quickly providing a comfortable coolness. Sizing We want your gradient compression Knee Highs to fit comfortably. By taking some additional measurements, you will ensure optimalcomfort and a proper fit. Please see the sizing chart picture above to figure out your correct size