what is the difference between class1 and class 2 compression stockings?
The standard compression levels for compression stockings are 15-20 mmHg (over the counter), 20-30 mmHg (medical class 1), 30-40 mmHg (medical class 2) and 40-50 mmHg (medical class 3). There are other levels of compression, however these are standardized and the most commonly used.