BSN Jobst Ultrasheer 30-40 mmHg Waist-High Extra Firm Compression Pantyhose provides lightweight fashionable appearance Sheer support hosiery combining style with therapeutic effectiveness Latex free, 61percent nylon, 39percent spandex Durable reinforced toe and heel Ideal for: - Chronic venous insufficiency - Post-thrombotic syndrome - Venous ulcer - Orthostatic hypotension and postural hypotension - Severe edema or lymphedema. Size to be determined by Ankle, Calf, Thigh and Hip measurement