With right sides together, align center BACK with the bottom back of ROBE where seam 3 ends.
Pin seam 4 hood to seam 4 ROBE.
Stitch from center of the back to the front on each side. (Starting in the middle of the seam and sewing to the edge on hoods and collars helps to keep the ends even.) Then hem 11 all the way around the robe and hood with one hem.
Note on the hood : Don’t panic , if you end up with the hood seem is to long . or if the robe seam is to long . this could happen because of the way the robe was cut on the double fold. Or if the seam allowance on the hood is just a little off. Just make sure the back of the hood is centered on the back. And you can make up for the unevenness when you hem the edge
To make a Robe With Lining
For a lined robe, repeat all of the above a 2nd time with your lining fabric. Pin the two Robes right sides together. Stitch around the outer edge, leaving a small opening to turn the Robe right side out through. After turning the cloak right sides out through this opening, sew up the up the opening by hand. opening by hand. ...