Have you tried nappy pants in all brands?
I tried a few packs of M&S ones and found them to be a good fit and quality. The price isn't too crazy either.
I’ve tried M&S ones and they were decent but I swear by Nutmeg from Morrisons
Sainsbury's little ones do the job and Lidl asda I think all of them have been good I know it sounds silly but are you putting the nappy on properly? As that's alot of brands which are not working for you ? There is a drynight brand but I've never had any issues with branded or unbranded.