KOW sizes cover 2 regular European shoesizes;The slippers should be slightly tight in the beginning and will shape to your feet for maximum comfort.
KOW slippers can occasionally be machine-washed using a cold wool program. Dry flat to maintain shape. Regular machine washing is discouraged as it will cause pill and increase the risk of shrinkage.
EUR 40-41 / UK 6,5-7,5 / 25cm
EUR 41-42 / UK 7,5-8,5 / 26cm
EUR 42-43 / UK 8,5-9,5 / 27cm
EUR 44-45 / UK 10-11 / 28cm
EUR 45-46 / UK 11-12 / 29cm
Not sure about your size? Draw the shape of your feet on a piece of paper and measure the length.