Fabric: Light to medium weight knit fabrics, for example jersey, with at least 30% stretch. Heavier fabric such as french terry can also be used.
This is an estimate of how much fabric you’ll need, based on fabrics with 160 cm width (63”).
Fusible interfacing with stretch for the neckline. It must have stretch, this is very important for a good result. The interfacing should also be slightly lighter than the main fabric.
Fusible non-stretch interfacing, or woven fabric, for the button placket. It should be non-stretch since it’s purpose is to stabilize the button holes.
Buttons. Their size and quantity is up to you. The button placket is designed for buttons that are 15-25 mm (5/8” - 1”) wide. In this tutorial there’s a guide on how to modify the button placket if you want to use smaller or larger buttons. You could also use snap buttons.