The Jobst Opaque 15-20, 20-30, 30-40 mmHg compression stockings are luxuriously smooth and easy to wear. Jobst Opaque is ultra soft for the most comfortable stocking in its class. Lightweight and highly effective in optimizing leg health.The silicone blend softener and special processing make these stockings easy to put on. The Jobst Opaque 15-20, 20-30, 30-40 mmHg compression stockings are made with resilient yarns that allow for greater durability and a reciprocated heel and toe for better fit. Jobst Opaque offers a variety of styles, colors and compression levels to find just the right compression stocking for your needs. It's no wonder Jobst is the #1 Physician Recommended Brand! These are examples of reasons to wear different levels compression. Please consult with your physician for compression above 15-20 mmHg.