I need to decide what size jacket to purchase. I am petite, usually a size 8. I checked the size table for Spyder women's ski jackets and it seems like I'll have to order a LARGE...according to my measuremente. This seems weird...I'm usually a small or medium

Tech Specs:

Material:

[Shell] Nylon sateen weave with XT.L and Spylon; [Lining] satin 

Insulation:

Thinsulate [Body] 100g; [Sleeves] 60g 

Waterproof Rating:

10K 

Breathable Rating:

10000g 

Core Venting:

Underarm zips 

Pockets:

2 Chest, 1 interior mesh goggle 

Seam Taped:

Yes, critically 

Powder Skirt:

No 

Hood:

Yes, removable 

Zip-in Compatibility:

No 

Recommended Use:

Skiing, casual 

Manufacturer Warranty:

Lifetime 

Country of Origin:

China