Have you used Op/Tech before? It is highly regarded.
I have put my Leicas among other things in these pouches. They are great for what they are intended - basic protection from scratching against things. I’ve also used their straps, that were some of the best available for a long time.
Optech USA lens pouch. Mine are medium size I believe. Fits a Rolleicord IIIc perfectly, a6000+16/hood. Likely a Leica will also be fine.