T shirt bra for GIANT boobs

[billabye]

I've been trying on some summer tops and as they are all fairly see through I have decided I need to invest in some new t shirt type bras.

I have been wearing Curvy Kate bras in 38H but decided to try the proper way of measuring where you bend over and let your boobs hang at 90 degrees. I measured 37 under the bust and 50 around the bust. I think this makes me a 36K

I am struggling to find any smooth bras in this gigantic size. Can anyone help please?

The Curvy Kate daily boost comes in your size and is smooth

Those are what I mostly wear now but I cannot find one in black and the nude has an annoying white trim which is visible through lots of clothes

Measurements would suggest 36J/JJ or 38HH/J. I'd think the 36 is more likely.

Now, confession - I'm not a huge fan of t shirt bras. They're very inflexible so if they don't match your breast shape perfectly they can be really problematic. This seems to become more problematic at larger sizes too. My main bras are Ewa Michalak, which are seamed by I've never seen the seams through my clothes.

In terms of T-shirt bras...the Bravissimo purity goes up to a J cup.