Finn comfort uses European (EU) sizing for most styles. It is best to have both feet measured and to try on the shoes to determine best fit.

Women's

EU  35 36 37 38 39 40 41 42 43 44
US  5 6 6.5-7 7.5 8-8.5 9 10 10.5-11 11.5 12-12.5