I’ve been using a ghillie for a few years and find them to be excellent, if you buy a commercial one they are mostly made for use with a rifle and have either a skid plate for crawling or the front is covered in scrim. Skid plate is of no advantage for an archer and scrim requires a lot of trimming across the front and along the bow arm. If you can find one that has the bare amount of scrim so you can add local and seasonal colour to it.
Light weight material is severely affected by wind causing a fluttering effect and anything longer than 4″ will magnify you movements dramatically.
If you are waiting in ambush putting a scrim net behind helps to make your silhouette difficult to distinguish.
I am just about to start making a new suit for this coming season and will use a long leafscreen jacket as the base adding died scrim and burlap. I favour a good mix of dark and light material to create as much depth as possible.
I have the jacket and will get some pictures as I go along if you think it might help with your choice.