Adult Sock SizingOutdoor Sock SizingKids' Sock Sizing
Note: All measurements are in inches unless otherwise noted

Thorlo Adult Sock Lettered Sizing

SIZE
XS
S
M
L
XL
Men's
*
*
8.5-10
10.5-11.5
12-14
Women's
5-6.5
7-9
9.5-11.5
*
*
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Thorlo Adult Sock Numbered Sizing

SIZE
9
11
13
15
USA
EURO
USA
EURO
USA
EURO
USA
EURO
Men's
*
*
5.5-8.5
38-42
9-12.5
42.5-46.5
13-15
47-49
Women's
4-6
35-36.5
6.5-10
37-42
10.5-13
42.5-45
*
*
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Thorlo Kids' Sock Sizing

SIZE
7
9
USA
EURO
USA
EURO
Men's
10-13
27-30
13.5-4
30.5-36
Women's
10-13
27-30
13.5-4
30.5-36
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