I found an old version of the Gamma SV jacket without hood but it was an XL (I'm L).
Is this one (Gamma AR) the equal model? Does it has the same Polartec Powershield?
Thanks

Tech Specs:

Material:

[shell] Polartec Power Shield 

Fabric Waterproof Rating:

water resistant 

Powder Skirt:

no 

Pockets:

2 front 

Seams:

no 

Wrist Gaiters:

no 

Liner-Compatible:

no 

Hood:

no 

Weight:

17.3 oz 

Recommended Use:

Hiking, climbing, casual 

Manufacturer Warranty:

Lifetime