What is the difference in length of the Men's north Aconcaqua Down vest and the Women's Northface Neptuse down vest? In the past I have purchased men's small northface vests for the extra length. I'm 5'11 and must have a slightly longer torso than most women.

Tech Specs:

Material:

[Shell] 40D 57 g/m2 nylon tafetta 

Insulation:

550-Fill down 

Center Back Length:

28in [M] 

Pockets:

2 Front 

Waterproof:

No 

Weight:

18oz (510g) 

Recommended Use:

Midlayer insulation, cool weather outerwear 

Manufacturer Warranty:

Lifetime 

Country of Origin:

China