The JOBST Sport & ActiveWear Size Chart for athletic knee highs in 15-20 and 20-30 mmHg. Toggle inches/cm and tap your ankle or calf measurement to highlight the right size — direct from JOBST's published charts. Use the built-in Find-my-size calculator to get a recommendation from your measurements.
JOBST Sport & ActiveWear Size Chart
Sport · ActiveWear athletic knee high — 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
| Measure | S | M | L | XL | LFC | XLFC |
|---|---|---|---|---|---|---|
| Calf Circumference (cC) | 28-38 cm11"-15" | 30-42 cm11⅞"-16½" | 32-46 cm12½"-18⅛" | 34-50 cm13⅜"-19⅝" | 46-61 cm18"-24" | 46-61 cm18"-24" |
| Ankle Circumference (cB) | 18-21 cm7"-8¼" | 21-25 cm8⅜"-9⅞" | 25-29 cm10"-11⅜" | 29-33 cm11½"-13" | 25-30 cm10"-11⅞" | 30-36 cm12"-14" |
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"
LFC
Calf Circumference (cC)
46-61 cm18"-24"
Ankle Circumference (cB)
25-30 cm10"-11⅞"
XLFC
Calf Circumference (cC)
46-61 cm18"-24"
Ankle Circumference (cB)
30-36 cm12"-14"
- LFC = Large Full Calf, XLFC = X-Large Full Calf.
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: Sport · ActiveWear athletic knee high — 15-20 / 20-30 mmHg. Step-by-step Measuring Guide →
