Does this jacket tend to run small or true to size?

Tech Specs:

Material:

100% Polyester 

Insulation:

[Body] 120g synthetic; [Sleeves] 80g synthetic; [Hood] 60g synthetic 

Waterproof Rating:

DWR coating 

Breathable Rating:

Not specified 

Core Venting:

Yes 

Pockets:

2 Front, 1 sleeve, 1 security, 1 MP3 

Seam Taped:

Yes, critically 

Powder Skirt:

Yes 

Wrist Gaiters:

Yes 

Hood:

Yes, removable, with removable faux-fur trim 

Zip-in Compatibility:

No 

Recommended Use:

Skiing