Nikki, you're new so first let me welcome you, and second let me give you a head's up on this. We don't wear men's clothes. We wear women's clothes purchased in women's stores, cut and sized for women's bodies.
Or, if we use a son's or husband's old shirt to paint in for example, this is just wearing a loose old rag so as to not soil our own clothes. Or if our SO has an old discarded flannel shirt or sweat pants that we think is comfy because it is loose, we wear it around the house because it is comfy like a pair of pajamas. Or, if we wear our boyfriend's jacket or shirt occasionally, it is to enhance our emotional bond. We do not wear our SO's underwear. We do not go to parties, to work, or have other outings with our friends in those clothes, nor do we wear those clothes because we think they make us look attractive. Generally speaking.