Sizing Chart

Small Fits women's shoe size 4–5; ankle size 6.5–8; calf 10.5–14.5
Fits men's shoe size up to 7; ankle size 7.5–8.5; calf 11–15
Medium Fits women's shoe size 5.5–7.5; ankle size 8–9.5; calf 11.5–15.5
Fits men's shoe size 7.5–10; ankle size 8.5–9.5; calf 13–17
Large Fits women's shoe size 8–10.5; ankle size 9.5–11; calf 12.5–17
Fits men's shoe size 10.5–12; ankle size 9–11.25; calf 14–18
Extra Large Fits women's shoe size 10.5+; ankle size 11–12.5; calf 13.5–17.5
Fits men's shoe size up to 12.5+; ankle size 11.5–12.5; calf 15–20