I USUALLY have a full screen headnet for bugs, but I have taken many deer without anything on but my hat. I have forgotten my mask or dropped it walking in to the woods. So I look from behind my bow and the deer have looked right at me and knew nothing. I guess its all preference. I have had alot of success both ways. I would like camo paint but it seems to just get all over everything and I hate trying to scrub it off.