Heated bed box?

As a fellow American from Minnesota, I am embarrassed. lol

God help us if ww3 is fought in Siberia.

 

Frozen ski boots suck and take hours to heat up by wearing

 

Wut? Ski boots are in a solid state at room temperature.

 

Assuming you can get them on in the first place.

 

might want to look at the 400W anytime mod
that would give you 3 amps to work with

 

But 4 people in the cab aren't using 100% of the interior space of the truck. Probably close to 40-50% usable volume.

 

Hang the boots from the grab handles in the back

 

https://www.dewalt.com/product/dce530p1/20v-max-cordless-heat-gun-kit?tid=577176

That should do