What's the stuff size of this item in a compression sack? How small can one reasonable get it? The manufacturer doesn't specify.
Thanks

Tech Specs:

Material:

[shell] nylon; [lining] nylon 

Insulation:

650-fill down 

Shape:

rectangular 

Draft Collar:

no 

Storage Sack:

yes 

Bag Length:

[regular] 78 in; [long] 80 in 

Degree:

40 F 

Weight:

(regular) 2 lb, (long) 2 lb 8 oz 

Recommended Use:

road trips, car camping, lounging, traveling 

Manufacturer Warranty:

lifetime