What is the inside of these like? Just denim or do they have some sort of lining??
I really want these but idk if they'll be warm enough.

I'm looking at the Basic Black Denim's
How is the stretch?

Tech Specs:

Material:

denim 

Fabric Waterproof Rating:

8000 mm 

Fabric Breathability Rating:

8000 g/m² 

Fit:

skinny 

Side Zips:

yes, ankle 

Gaiters:

no 

Seams:

critical seams taped 

Waist:

shoe lace belt 

Pockets:

2 zippered hand 

Recommended Use:

snowboarding 

Manufacturer Warranty:

1 year