Does the shell have its own insulation, or is all the insulation in the liner? What about waterproofing in the shell alone?

Tech Specs:

Material:

[Shell] MemBrain 2L; [Palm] Flex Zone 

Insulation:

Primaloft 

Waterproofing:

Gore-Tex 

Removable Liner:

No 

Closure:

Drawstring 

Gauntlet:

Yes 

Goggle Wipe:

No 

Nose Wipe:

Yes 

Recommended Use:

Skiing, mountaineering 

Manufacturer Warranty:

Lifetime