I have a few pairs and they’re great but agree with mtbkr that they’re a little low rise on the back at least for me. They’re two styles The ones they’ve got at the moment have a very obvious “pocket” which shows you off —
https://n2nbodywear.com/collections/gym/products/vb39-vintage-brushed-tights
The other kind they call a self cradling pouch which I prefer. It’s a bit less obvious and gives a bit more of a natural bulge. They don’t have any to these atm though but they rotate their lines very frequently.
I’ve been looking at Kapow which look interesting but not sure about the budge they give…
https://kapowmeggings.co.uk/collections/high-gloss-vinyl/products/red-ned-vinyl-meggings