SmartWool Compression Calf Sleeve and Sock Sizing
Size
Calf Circumference
Men's Shoe Size
Women's Shoe Size
Small
11 - 14.5 inches
3 - 5.5
4 - 6.5
Medium
12.5 - 16.5 inches
6 - 8.5
7 - 9.5
Large
14.5 - 18 inches
9 - 11.5
10 - 12.5
X Large
16 - 23 inches
12 - 14.5
N/A