Smart Wool size chart

ADULT SOCKS (shoe size reference)

Sizes US Men US Women Euro UK
Small 3-5.5 4-6.5 34-37 2-4.5
Medium 6-8.5 7-9.5 38-41 5-7.5
Large 9-11.5 10-12.5 42-45 8-10.5
X Large 12-14.5 N/A 46-49 11-13.5