haha Yeah I just went through this. I bought a Gerbings liner for $50. Guy had a older FirstGear Kilimanjaro 2xl he was also selling that I tried on over the Gerbings with the Kil liner. I bought it as well for another $50. It just worked well together. I knew there was no way Id get that liner under my other jack after trying it on. It ended up being easiest to have a summer and winter jacket.
I feel like the kid in A Christmas story though..."I CANT PUT MY ARMS DOWN" with the double liners LOL
The Kilimanjaro without any liners I feel like I'm rattling around in a bounce house. The Weird time of year when its 30's in the moring and high 60's in the afternoon that neither set up is ideal.