The Sigvaris Motion Thermoregulating Wool 422 Size Chart for 20-30 mmHg outdoor performance socks. Toggle inches/cm and tap a measurement to highlight your size from Sigvaris' official charts.
Sigvaris Merino Outdoor Performance Wool 20-30 (422) Size Chart
Motion — Thermoregulating Wool 422
Tap any measurement below to see your full size details.
Do not base your size on your shoe size. Medical compression garments require precise ankle and calf measurements to work correctly. Please use your exact measurements on the chart below to find your perfect fit.
| Measure | Small | Medium | Large |
|---|---|---|---|
| Ankle Circumference | 18–21.5 cm7"–8.5" | 21.5–25.5 cm8.5"–10" | 25.5–29 cm10"–11.5" |
| Calf Circumference | 28–39 cm11"–15.5" | 31.5–45 cm12.5"–17.5" | 35.5–51 cm14"–20" |
| Measure | SS | SM | SL | MS | MM | ML | LS | LM | LL |
|---|---|---|---|---|---|---|---|---|---|
| Women's Shoe Size | 4.5–7.54.5–7.5 | 8–10.58–10.5 | 11–13.511–13.5 | 4.5–7.54.5–7.5 | 8–10.58–10.5 | 11–13.511–13.5 | 8–10.58–10.5 | 11–13.511–13.5 | >14>14 |
| Men's Shoe Size | ≤6.5≤6.5 | 7–9.57–9.5 | 10–12.510–12.5 | ≤6.5≤6.5 | 7–9.57–9.5 | 10–12.510–12.5 | 7–9.57–9.5 | 10–12.510–12.5 | 13–15.513–15.5 |
Size codes: First letter = circumference size (Small/Medium/Large); second letter = shoe-size band within it. Printed size codes: SS/SM/SL (Small), MS/MM/ML (Medium), LS/LM/LL (Large).
- Chart header as printed: "Motion — THERMOREGULATING WOOL 422"
- Shoe sizes are unitless (US shoe sizes); circumference printed in inches with cm beneath
Measure first thing in the morning, before swelling, with a soft tape measure held level. Applies to: Merino Outdoor Performance Wool 20-30 (Motion ThermoRegulating Wool 422). Step-by-step Measuring Guide →
