They just look like regular skinny jeans that are little higher on the waist. It could be any brand since they all look a like.
Target carries good jeans, JC penny Levi, even Walmart has nice jeans once in a while. Women normally shop around and just try a lot of stuff on to see what will actually fit as awesome as those jeans.
Euhm i would concider to download The app "Hunt" you post a picture and if someone knows they Will tell you where or send a link immediatly. On that are more fashionlovers so there might me someone who Will know. Does your girl knows The syte ASOS they really heeft beautifull jeans and really good quality too