Blue Jay Brand Black Ladies Sheer Firm Support Thigh Length W/stay-up Lace Top 20-30 Mmhg Physician Recommended Relieves Tired Aching And Swollen Legs Mild Varicosities And Edema Effective As Post Sclerotherapy Treatment Fashionable Sheer Appearance For Work Or Leisure Two Way Stretch Design Provides Extra Comfort Stay Up Lace Top Reciprocated Heel And Toe Graduated Compression Helps Shape-up Legs Fiber Content: Nylon (80%) & Spandex (20%)