It is hard to tell if it's the same hood or not. It might be the lighting that is playing with us, but let's assume for now that the hoods are not the same in those images: the left is the Pre-Pro #1 and the right seems to be the Supertrooper one. This setup is/was used only on these suit and that extra material with velcro was used to 'seal' the helmet in the front, more exactly it was velcroed to the helmet (this implies that velcro was glued to the lower cheeks). We can see the PP1 hood in the MoM/SWtE exhibits (along with the wookie braids and the ammo belt):
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