The V3 sleeveless morphing shirt has 114 morphs in it that are set, change one of V3's morphs to one included in the sleeveless shirt and then it should be fine with the arms over her head. included breast morphs in the sleeveless shirt: BreastGone BreastSize1 BreastSize2 BreastSize3 BreastSize4 BreastSize5 BreastSize6 BreastSize7 BreastSize8 BreastMale BrstNatural BreastDroop and more morphs. tones of material settings for doing textures. Have you questioned Daz about it? they are very helpful. I haven't bought the morphing sleeveless cause I really didn't need or want another swimsuit and don't use those kinds of clothing items in my art work, but I would be interested in knowing if it is the product that is the problem, or if it just requires more knowlege to use it.