Down to what temperature would you be comfortable in this jacket? Thanks.

Tech Specs:

Material:

[Shell] nylon dobby rainstop II; [Lining] nylon taffeta, polyester velour 

Insulation:

Polyester Microtemp 

Waterproof Rating:

Water-resistant 

Breathable Rating:

Not specified 

Core Venting:

No 

Pockets:

2 Hand, 1 goggle, 1 internal media 

Powder Skirt:

No 

Hood:

Yes, removable 

Zip-in Compatibility:

No 

Recommended Use:

Skiing, sledding, snowshoeing, winter wear 

Manufacturer Warranty:

Lifetime