Mediven Comfort Series - Women's Knee High 20-30mmHg Compression Stockings are a closed toe, knee high support stocking with a discrete, semi sheer look that provides all day comfort. Mediven's innovative use of polyamide and elasthane create a luxiuious softness in a 3D knit material that is both comfortable and easy to don on and off. These knee high stockings deliver high breathability and feature a patented anti microbial feature that controls odor.