Is this jacket simply a waterproof shell or does it also have insulation/heat production/retention properties? For instance, when wearing this item, can I cut down on my layers due to some type of heat radiation (toward body) insulation quality (such as my titanium heat sheet in my wetsuit)?

Tech Specs:

Material:

[Shell] eVent 

Core Venting:

None 

Pockets:

2 Front, 1 internal media 

Seam Taped:

Yes, fully 

Powder Skirt:

Yes 

Hood:

Yes 

Zip-in Compatibility:

No 

Recommended Use:

Alpine climbing, skiing 

Manufacturer Warranty:

Lifetime 

Country of Origin:

Canada