Simple drawing of vest

Step one:

First draw a "U" shape on the paper.

Step 2:

Then draw two arcs on both sides.

Step 3:

Then draw half a rectangle below, and connect the tops to form the shape of the vest.

Step 4:

Look at the picture and add a layer of lines in these places on the vest.

Step 5:

You can also draw a favorite number or other decorations on the vest.

Step 6:

Finally, paint it with a nice color, and the vest is ready like this.