Jobst Opaque Thigh Hi 30 40 Black Medium Specialty Scales The charging case has a H300 is the third The charging case has a built in 300mAH battery which means it charges quickly and powerfully 72 * One Piece Head Section Thigh High (Closed Toe) * 30 40 mmHg * Classic Black * Medium * Ankle Circumference 8 3 8 9 7 8 * Calf Circumference 11 7 8 16 1 2 * Thigh Circumference 18 1 8 27 1 2 Stylish leg therapy that is easy to don for soft and comfortable year round wear * Made with a combination of silicone blend finish multifiber yarn and 3D knit structure * Cool and breathable which makes it comfortable to wear any time of the year * Guaranteed compression 15 20 mmHg 20 30 mmHg 40 mmHg for optimum medical efficacy using multifiber yarns for the softest feel * The reciiprocated and reinforced heel allows for greater durability and lasting comfort * Jobst© Opaque© conceals blemishes varicose veins and scars * Thigh high Waist high and Knee high styles * Now available in luxuriously smooth non ribbed style * Latex free