I'm really sorry to hear that. A lot of transmen are really great people. Your parents are narcissistic idiots. If you live in your own place with your boyfriend and don't need your parents anymore, then you could just cut all connections with them. You don't have to listen to your parents. Forget they even exist. If you live with your parents, you could try moving away with your boyfriend. There might also be LGBT groups who could help you in your country.
But if you have a reason why you can't do any of those, you could buy something from the Internet or from a local shop.