It has to be something I'm not getting for whatever reason, and I had no issues doing this in Division. However, since minute one playing the game through to lvl 30 (where I'm at now), every piece of gear I've had backpack etc. has had only an appearance slot and die slot.
]https://imgur.com/5ofjbjG
Oops added a bracket to the URL, https://imgur.com/5ofjbjG .