Size for foot length:
US 5.5/UK 2.5/EU 35 225mm
US 6/UK 3.5/EU 36 230mm
US 6.5/UK 4/EU 37 235mm
US 7/UK 5/EU 38 240mm
US 7.5/UK 6/EU 39 245mm
US 8/UK 6.5/EU 40 250mm
US 9.5/UK 7/EU 41 260mm
US 10/UK 7.5/EU 42 265mm
US 10.5/UK 8/EU 43 275mm
US 12/UK 9.5/EU 44 280mm
US 13/UK 10.5/EU 45 290mm
US 13.5/UK 11/EU 46 300mm