Does the baselayer come with or is it additional?

Tech Specs:

Jacket Material:

[shell] HyVent 2L; [body lining] mesh; [sleeve lining] taffeta 

Removable Liner Material:

[shell] ripstop taffeta, brushed fleece; [lining] taffeta 

Insulation:

[removable liner] Heatseeker Eco (100g) 

Fabric Waterproof Rating:

25 PSI 

Fabric Breathability Rating:

625 g/mē 

Hood:

yes, removable 

Venting:

core zip vents 

Pockets:

(external) 2 zippered handwarmer, 2 chest zippered, 1 wrist accessory with goggle cloth, (internal) 1 media, 1 goggle, (removable liner) 2 zippered hand, 1 internal security 

Seams:

fully taped 

Powder Skirt:

yes 

Wrist Gaiters:

no 

Recommended Use:

skiing, winter activities 

Manufacturer Warranty:

lifetime