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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.

👆 Tap a value in the table to highlight your size.
Circumference
MeasureSMLXL
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"
S
Calf Circumference (cC) 28-38 cm11"–15"
Ankle Circumference (cB) 18-21 cm7"–8¼"
M
Calf Circumference (cC) 30-42 cm11⅞"–16½"
Ankle Circumference (cB) 21-25 cm8⅜"–9⅞"
L
Calf Circumference (cC) 32-46 cm12½"–18⅛"
Ankle Circumference (cB) 25-29 cm10"–11⅜"
XL
Calf Circumference (cC) 34-50 cm13⅜"–19⅝"
Ankle Circumference (cB) 29-33 cm11½"–13"
    Need help choosing your size? Our Certified Fitters are standing by. Mon–Fri 8am–7pm CST
    📞 1-800-504-7315
    Between sizes? Size down for a firmer therapeutic fit, or up for easier donning. It should feel snug — like a firm, even hug.
    Wrong size? No problem. Easy exchanges — we’ll get you into the right fit.

    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 →

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