what is the center back length?

Tech Specs:

Material:

[Shell] HyVent 2L; [Shell lining] mesh body, taffeta sleeves 

Insulation:

[Zip-in liner] Heatseeker Eco (100% recycled polyester) 

Waterproof Rating:

[Shell] 25psi 

Breathable Rating:

[Shell] 625-675g / m2 

Core Venting:

[Shell] None 

Pockets:

[Shell] 1 chest, 2 front, 1 wrist with goggle cloth, 1 internal media, 1 internal goggle; [Liner] 2 front, 1 interior 

Seam Taped:

[Shell] yes, fully 

Powder Skirt:

Yes 

Hood:

Yes 

Zip-in Compatibility:

Yes, button-out liner included 

Recommended Use:

Skiing 

Manufacturer Warranty:

Lifetime