Order of Operations
Measure length and add seam allowance for length measurement
Pull threads to cut off selvedges
Measure down the length of the apron and pull threads across the width of the fabric to prep for cutting the length
Cut across the width of the fabric
Hem the two shorter sides and one wide side
Stitch your gathering threads at the waist (the wide side that is not hemmed)
Measure the waistband length
Measure how wide you want your apron to be across your front, at waist level
Pull gathering threads to front waist measurement
Attach waistband by felling waistband using stroke gathers technique