Smartwool Socks Size Chart

Please use your shoe size to find the perfect Smartwool fit for you!
Sock Size Mens Womens Euro Calf Circumference
Small 3-5.5 4-6.5 34-37 11-14.5"
Medium 6-8.5 7-9.5 38-41 12.5-16.5"
Large 9-11.5 10-12.5 42-45 14.5-18"
X-Large 12-14.5 46-49 16-23"
  Smartwool Kids Sizing
Sock Size US Size Euro Size
X-Small 6-8.5 22-25
Small 9-11.5 26-28
Medium 12-2.5 29-32
Large 3-6 33-36

For sizing assistance, call our toll-free customer service line at 1-866-446-2767.