This is women's shoe size,please check the size chart carefully before you buy it. If you are still not sure which size, just be free to contact us. (1inch=2.54cm) USA 5 =EUR 35=foot length 22.5cm USA 6 =EUR 36=foot length 23cm USA 6.5=EUR 37=foot length 23.5cm USA 7.5=EUR 38=foot length 24cm USA 8.5=EUR 39=foot length 24.5cm USA 9 =EUR 40=foot length 25cm USA9.5 =EUR 41=foot length 25.5cm USA10 =EUR 42=foot length 26cm USA10.5=EUR 43=foot length 26.5cm USA11 =EUR 44=foot length 27cm Upper Material:Full Grain Leather Flats Type:Loafers Gender:Women