Conventional shoes fit across your feet at the toes, restricting the way your toes spread as you walk. ECCO's FreedomFit is different; it offers a roomy toe box and fits more narrowly from heel to instep, suitable for most widths. Toes spread naturally to support your weight and foster a more comfortable walking experience. Feet of nearly all widths feel good in ECCO, comfort straight from the box.
We have found that these shoes fit a little on the larger side. So we suggest that if you are in between a whole and half size - say between a 9.5 and 10 in US sizes - we would recommend you go with the US 9-9.5 (EUR 43) size.
International Size Conversion Chart - As outlined by ECCO.