These are great!
I've had 2 MIs and an ejection fraction of 23. These allow me to play tennis again w/o support stockings which become uncomfortably hot very quickly!

My daughter, an RN just discovered I had these last night (played tennis with me for Father's Day)... she put them on and took them home with her because they are so comfortable with her nursing shoes. She does not want to wear support hose, so the fill the bill for her being on her feet most of the day with patients.