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Size Guide
OTC Compression Socks
XS
S
M
L
Women’s US Shoe Size

5 – 7

7.5 – 9.5

10 – 12

Men’s US Shoe Size

6 – 8

8.5 – 10.5

11 – 13

Calf Circumference

26 – 34 cm
10.5 – 13.5 in

30 – 38 cm
12 – 15 in

34 – 42 cm
13.5 – 16.5 in

38 – 46 cm
15 – 18 in

Crew Compression Socks
XS
S
M
L
Women's US Shoe Size

5 – 7

7.5 – 9.5

10 – 12

Men's US Shoe Size

6 – 8

8.5 – 10.5

11 – 13