Jobst Opaque Thigh Hi 20 30 Silky Beige Large Non Slip Products 0 A @ 12 VDC) Oxygen Masks 0 A @ 12 VDC) * Internal Battery Average Charge Time: 4 Hours * Oxygen Concentration: 87 to 95% @ 5 l min setting within 4 to 6 minutes * Environmental Conditions: Temperature Range: 41¯F to 104¯F (5¯C to 40¯C) Natural or Dark Cherry wood choices Thigh High (Closed Toe) * 20 30 mmHg * Silky Beige * Large * Ankle Circumference 10 11 3 8 * Calf Circumference 12 1 2 18 1 8 * Thigh Circumference 21 ¨ 30 3 4 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