Size Chart and Fitting Guide

Men

Thorlos Sock Size USA Shoe Size
7 7 to 7.5
8 8 to 8.5
9 9 to 9.5
10 10 to 10.5
11 11 to 11.5
12 12 to 12.5
13 13 to 13.5
14 14 to 14.5
15 15 to 15.5