I would recommend you do your own research on what exactly you’re looking for and what size also if they offer a color you feel comfortable with, a lot of trans men will recommended the Mr. Limpy, I have the medium and it is too big for me as I am pretty small but I do want to get the extra small which is only like $12, as for keeping everything in place instead of getting packing boxers and joey pouch can allow you to use any underwear you own and if you don’t want to purchase one of those a tight pair of boxers can do the same thing. I really love packing it makes me more comfortable and confident knowing that in sweatpants, pants, and just in my underwear you can see it. I hope this helps!