Jobst Ultrasheer 20-30 mmHg Thigh High Firm Compression Stockings with Lace Silicone Border Sheer support hosiery combining style with therapeutic effectiveness. Lightweight fashionable appearance Durable reinforced toe and heel Seamless circular knitted for a soft, silky look and comfortable feel Nylon and spandex yarns combined with a silicone blend softener for easier donning and comfort Machine wash in a mesh laundry bag or hand wash with warm water using a mild soap or detergent designed for compression stockings. Hang or lay flat to air dry Latex free, 64% nylon, 24% spandex, 12% silicone 20-30 mmHg (CCL 1) Firm Gradient Compression Indication Guide: Moderate to severe varicose veins Moderate leg & ankle swelling Relief from moderate edema / lymphedema Varicose veins during pregnancy Leg swelling following surgery Following sclerotherapy Orthostatic hypotension Postural hypotension Helps Prevent DVT (Deep Vein Thrombosis)