Exclusively from ames walker this style 218 microfiber opaque pantyhose has medically approved graduated compression in 20-30 mmhg. Try these pantyhose to see just how comfortable and worthwhile graduated compression can be clinically proven to help relieve the pain of tired aching legs mild varicose veins and leg swelling. Effective for post-sclerotherapy treatment. Features: firm compression 20-30 mmhg two-way stretch design provides extra comfort cotton nylon ventilated gusset panel one-inch double plush waistband microfiber nylon provides easier application and great comfort while wearing reinforced heel and toe made in the usa fiber contents: 85% nylon 15% spandex