That spacing between inner and outer wall should help with condensation.yes they are metal walls. there is an outer layer of metal then 2x4 then another layer of metal.
Is there insulation in there too?
Wait, this all looks familiar....yeppers:
https://www.backyardchickens.com/threads/winter-worries.1194321/
Wouldn't hurt to lower those roosts, would reduce 'wall shots'.Chicken poop can be quite corrosive......