What is the loft?

Is this continuous baffle? If continuous, is the temp rating derived from equal distribution of the down?

Thanks

Tech Specs:

Material:

[membrane/laminate] Pertex Microlight; [shell] nylon mini ripstop (20D); [lining] polyester mini ripstop (100% recycled, 20D) 

Insulation:

850-fill down 

Shape:

mummy 

Draft Collar:

yes 

Max User Height:

(regular) 6 ft, (long) 6 ft 6 in 

Shoulder Circumference:

(regular) 62 in, (long) 64 in 

Hip Circumference:

(regular) 58 in, (long) 60 in 

Foot Circumference:

(regular) 40 in, (long) 42 in 

Stuff Size:

7.5 x 15 in 

Stuff Sack:

yes 

Storage Sack:

yes 

Degree:

15 F 

European Norm Comfort Rating:

28 F 

European Norm Lower Limit Rating:

16 F 

Weight:

(regular) 2 lb 2 oz, (long) 2 lb 6 oz 

Recommended Use:

backpacking in cold climates 

Manufacturer Warranty:

lifetime