With right sides together, pin FRONT and BACK together.
Using a straight stitc,h sew seam 1 and 2.
If you're using fabric that will fray or unravel, stitch all seams a second time using a zigzag stitch..
With right sides together, pin the hood pieces together.
Using a straight stitch, sew seam 3.
Gather along seam 4 on hood