Looking for a good sleep/lounge bra

I’m looking for a good sleep/lounge bra. The ones I’m using now are causing a major rash under my breasts. I have large breasts so I’m thinking support is the issue but I still want it to be comfortable and breathable. I don’t need it to be a nursing bra bc I’m pumping with a different bra. And I can’t stand the racer back style. Don’t want any clasps in the back either. Any suggestions? I’d prefer something not too pricey since I’ll need to purchase a lot of them.