How small does this bag roll up into? Especially important when you're trying to keep your bag stuffed to the minimum.

Tech Specs:

Material:

[shell] ionic P-220; [shell] DWR coating1; [lining] forge P-220; [lining] DWR coating1 

Insulation:

spirafil 120 

Shape:

mummy 

Draft Collar:

no 

Max User Height:

[regular] 5 ft 6 in; [long] 5 ft 10 in 

Shoulder Circumference:

[regular] 58 in; [long] 60 in 

Hip Circumference:

[regular] 58 in; [long] 60 in 

Foot Circumference:

[regular] 38 in; [long] 40.2 in 

Stuff Sack:

yes, stuff 

Storage Sack:

yes, stuff 

Degree:

30 F 

Weight:

[regular] 2 lb 15 oz; [long] 3 lb 6 oz 

Recommended Use:

moderate- & wet-weather backpacking, camping 

Manufacturer Warranty:

lifetime