Measure around the widest part of your calf in millimetres, as shown in the diagram
Find your shoe size and foot width fitting in the left hand column in the chart below
Follow the chart row down until you reach the calf measurement that most closely matches your own
Follow the column left to match up with your calf width size (this will either be curvy, super curvy and so on)
Once you have found your perfect fit, click the links below in your size to find your perfect boot!