The JOBST Maternity Knee High Size Chart for Opaque Maternity styles in 15-20 and 20-30 mmHg. Toggle inches/cm and tap your ankle or calf measurement to highlight the right size — data straight from JOBST's published charts. Use the built-in Find-my-size calculator to get a recommendation from your measurements.
JOBST Maternity Knee High Size Chart
Opaque Maternity — 15-20 / 20-30 mmHg
Tap any measurement below to see your full size details.
| Measure | S | M | L | XL |
|---|---|---|---|---|
| Calf Circumference (cC) | 28-38 cm11"–15" | 30-42 cm11⅞"–16½" | 32-46 cm12½"–18⅛" | 34-50 cm13⅜"–19⅝" |
| Ankle Circumference (cB) | 18-21 cm7"–8¼" | 21-25 cm8⅜"–9⅞" | 25-29 cm10"–11⅜" | 29-33 cm11½"–13" |
Measure first thing in the morning, before swelling, with a soft tape measure held level. Applies to: Opaque Maternity — 15-20 / 20-30 mmHg. Step-by-step Measuring Guide →









