The Sigvaris Motion Flow Tech (432C) Size Chart, sized at the calf. Toggle inches/cm and tap your calf measurement to highlight the matching size — per Sigvaris' official Flow Tech data.
Sigvaris Motion Flow Tech (432C) Size Chart
Flow Tech™ Sizing Chart – Calf
Tap any measurement below to see your full size details.
👆 Tap a value in the table to highlight your size.
Circumference
| Measure | SS/SL | MS/ML | LS/LL | XS/XL |
|---|---|---|---|---|
| Ankle Circumference | 7"–8.5"7"–8.5" | 8.5"–10"8.5"–10" | 10"–11.5"10"–11.5" | 11.5"–14"11.5"–14" |
| Calf Circumference | 11"–15.5"11"–15.5" | 12.5"–17.5"12.5"–17.5" | 14"–20"14"–20" | 16"–24"16"–24" |
SS/SL
Ankle Circumference
7"–8.5"7"–8.5"
Calf Circumference
11"–15.5"11"–15.5"
MS/ML
Ankle Circumference
8.5"–10"8.5"–10"
Calf Circumference
12.5"–17.5"12.5"–17.5"
LS/LL
Ankle Circumference
10"–11.5"10"–11.5"
Calf Circumference
14"–20"14"–20"
XS/XL
Ankle Circumference
11.5"–14"11.5"–14"
Calf Circumference
16"–24"16"–24"
Calf Length (Short vs Long)
| Measure | Short | Long |
|---|---|---|
| Calf Length | ≤16"≤16" | >16">16" |
Short
Calf Length
≤16"≤16"
Long
Calf Length
>16">16"
Size codes: Sizes combine circumference size + calf length: SS/SL, MS/ML, LS/LL, XS/XL. X = X-Large; second letter S = Short (≤16"), L = Long (>16").
- Chart printed in inches only
- Women's Shoe Sizes: Short Leg 5.5–9.5, Long Leg 8–12
- Men's Shoe Sizes: Short Leg 7–11, Long Leg 9.5–14
- Ankle Circumference: measure at the narrowest part of ankle, above ankle bone
- Calf Circumference: measure at the fullest part of the calf
- Calf Length: measure from floor to bend of the knee
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: Motion Flow Tech Compression Socks. Step-by-step Measuring Guide →
