Sizing for Sigvaris Merino Outdoor Wool 15-20 mmHg socks (421). Toggle inches/cm and tap a measurement to highlight your size — per Sigvaris' published sizing charts.
Sigvaris Merino Outdoor Wool 15-20 (421) Size Chart
Merino Outdoor Socks 421
Tap any measurement below to see your full size details.
👆 Tap a value in the table to highlight your size.
Sizing Chart
| Measure | S | M | L | X |
|---|---|---|---|---|
| Women's Shoe | <7.5<7.5 | 7.5–9.57.5–9.5 | 10–1210–12 | 12.5–1512.5–15 |
| Men's Shoe | <6.5<6.5 | 6.5–8.56.5–8.5 | 9–119–11 | 11.5–1411.5–14 |
| Ankle Circumference | 18–24 cm7"–9.5" | 19–26 cm7.5"–10" | 20–27 cm8"–10.5" | 21–29 cm8.5"–11.5" |
S
Women's Shoe
<7.5<7.5
Men's Shoe
<6.5<6.5
Ankle Circumference
18–24 cm7"–9.5"
M
Women's Shoe
7.5–9.57.5–9.5
Men's Shoe
6.5–8.56.5–8.5
Ankle Circumference
19–26 cm7.5"–10"
L
Women's Shoe
10–1210–12
Men's Shoe
9–119–11
Ankle Circumference
20–27 cm8"–10.5"
X
Women's Shoe
12.5–1512.5–15
Men's Shoe
11.5–1411.5–14
Ankle Circumference
21–29 cm8.5"–11.5"
Size codes: Sizes printed as S, M, L, X (X = largest size as printed on chart).
- Shoe sizes are unitless (US shoe sizes); ankle circumference printed in inches with cm beneath
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: Merino Outdoor Wool 15-20 Socks. Step-by-step Measuring Guide →
