Place the sheet on a flat surface. Place your foot on the sheet, better if you are close to a wall and your heel resting against it.
Trace the outline of the foot with a pencil.
Measure the drawing. For the length from the heel to the longest toe.
for the width at the widest point of the plant.
SIZE GUIDE
TAKE AN A4 SHEET, A RULER, A PENCIL OR A PEN.