A bra is my favorite and essential garment. I wear a bra nearly every day, all day, underdressing when out in public and wearing a slip, skirt and blouse, or dress, and perhaps pantyhose on most days at home. I most enjoy fully dressing in public and have become comfortable traveling en femme so make occasional trips of a week or more, packing only female attire.
My wife left me in large part because of my crossdressing. I met an accepting woman who altered my female clothes, gave me earrings and other femme items such as sexy panties, bra extender, and more. She delighted me at one point by telling me I should wear a bra. Early on wearing a nightie was off-limits, but she now packs them for me when I travel and sets one on my pillow so I won't forget to wear one to bed. For some reason though, she had her fill of my wearing bras and asked me to stop. I could not, so she now accepts reluctantly but won't pack bras and panties for me when we travel... I sneak them in but she will toss them if found.
Unless fully dressed in public I typically wear unpadded bras, with enhancers. Some A or B-cup bras fit me well without forms, but I have to be careful not to wear them in public, as the feminine shape gives me away. Looser fits are less enjoyable but less visible. I own over 70 bras, mostly white, black or beige, but do have some nice bra/panty sets in red and baby blue. Wacoal retro-fit bras may be my favorite, as they give a very feminine shape to the cups. I buy bras which fasten in the back, preferably three rows. I enjoy a tight fit, as I want to be constantly reminded by the straps and the band that I am encased in a truly feminine garment.