Designer follows its own size guide, please refer to the below:
US 4 = EU 34/ UK 2 US 4.5 = EU 34.5/ UK 2.5 US 5 = EU 35/ UK 3 US 5.5 = EU 35/ UK 3 US 6 = EU 36/ UK 3.5 US 6.5 = EU 36.5/ UK 4 US 7 = EU 37/ UK 4.5 US 7.5 = EU 38/ UK 5 US 8 = EU 38.5/ UK 5.5 US 8.5 = EU 39/ UK 6 US 9 = EU 40/ UK 6.5 US 9.5 = EU 40.5/ UK 7 US 10 = EU 41/ UK 8 US 10.5 = EU 41/ UK 8