Medi Plus Compression Socks 20101 Calf 30-40 Size 1. New compression socks . All socks are sealed. Some boxes are smashed and damaged. Please use the size chart for your correct size . All socks have to fit properly for them to work properly. Ask your doctor for what compression size that you will need . Please dont guess I don’t accept returns . I dont work for this company nor do i own this company. I can answer some questions from what i do know about the socks. I can’t predict your size or compression numbers only your doctor can. These are medical grade compression socks the size chart is located in the pictures . You will have to measure like the chart shows to make sure you get the right fit . Feel free to ask questions .