They are compression stockings for women that improve venous return. They are made of polyamide and elastane. They have a moderate degree of compression. Thuasne uses degrees of compression different from international standards. The degree of compression in this case corresponds to the range between 15 and 20 mmHg. They are very easy to wear and are suitable for women who have circulation problems, are pregnant, have to travel long distances or have to rest for a long time. They are not recommended for people who have suffered a stroke. If in doubt, it is best to consult your doctor or pharmacist. To keep them in optimum condition, it is advisable to wash them daily by hand with a neutral soap and leave them to dry. Size 2 is for calf circumferences from 50 to 59 centimetres.