Do I get 80 Liters in the main compartment? Or is the day pack part of the 80 Liters.

Tech Specs:

Material:

330 HT ripstop Cordura nylon, 630D nylon, 1680D ballistic nylon, phthalate-free TPE tarpaulin 

Volume:

[total ] 4900 cu in; [daypack ] 950 cu in 

Backpack Straps:

[main] yes, stowable shoulder harness with hip-belt; [daypack] yes, stowable shoulder straps 

Pockets:

[main] 1 interior mesh; [main] 1 interior toiletry kit; [main] 1 exterior front; [daypack] 1 interior padded 16in laptop sleeve; [daypack] 1 exterior organizer; [daypack] 2 exterior side water bottle 

Weight:

14 lb 4 oz 

Recommended Use:

adventure travel 

Manufacturer Warranty:

lifetime