If I am 6'4" and want this jacet to fit tall and slim(like over my bum length), what size should I get. I want to still be able to layer under it and have it be tall but I don't want it to be really wide.

Tech Specs:

Material:

[Shell] dobby nylon with DWR 

Waterproof Rating:

20K 

Breathable Rating:

20000g 

Fit:

Loose 

Core Venting:

2-Way, mesh-lined underarm zips 

Pockets:

1 Externally accessible I-Pod pocket, 1 pass window, 1 internal 

Seam Taped:

Yes, fully seam sealed 

Powder Skirt:

Yes, removable 

Wrist Gaiters:

No 

Hood:

Yes, removable, 3-way-adjustable, helmet-compatible 

Zip-in Compatibility:

Yes 

Recommended Use:

Snowboarding, blasting air 

Manufacturer Warranty:

1 Year