Is the hood removable or at least stowable? Will the hood fit over a helmet? How long is this jacket?

Tech Specs:

Material:

[Shell] HyVent 2L pinstripe; [Lining] taffeta 

Insulation:

[Body] 80g Heatseeker; [Sleeves] 60g Heatseeker 

Waterproof Rating:

Not specified 

Breathable Rating:

Not specified 

Core Venting:

Underarm zips 

Pockets:

2 Front, 2 chest, 1 wrist accessory with goggle cloth, hem pockets, 1 internal media, 1 internal goggle 

Seam Taped:

Yes, fully 

Powder Skirt:

Yes 

Hood:

Yes 

Zip-in Compatibility:

No 

Recommended Use:

Skiing 

Manufacturer Warranty:

Lifetime