These are the 70's triangle cut Halter Tops that will fit most body types. Please measure yourself to make sure these items will work out the way you are hoping.
Rabbits are perfectly fine as lone pets. In fact, there is a very good chance that two females will fight, two males will fight, a male and female WILL mate. If you must have two rabbits housed together the best idea is a neutered male and a female....but that may not work out in time either.