Take the measurement round the head with a tape measure in inches or centimetres. Hats are made ½" (2cm) larger, for comfort
Measure round the chest (a), waist (b), hips (c), and at the back from the base of the neck to the edge of where you would like the garment to reach (d). These measurements can be made in either inches of centimetres.
Place a foot on a piece of paper, and draw round it. Send this to me, and it will be my guide for the finished slippers. You will find that the felt will give, and take up the shape of your feet when you wear them.