The issue with some of  Xurge3D's outfit's is that they do not contain morphing capacity, they are strictly for the base model.  My work around conforming such outfits to morphed characters is to use Morphing Clothes to introduce morphing capacity then copy and paste sttings in Poser.  As Markschum mentioned and you discovered, poke throughs ar eliminated by making the body part underneath invisible unless adjoining parts are actually exposed.  The helmet just sounds like a straight parenting to the head.