Trees keep you warmer: Trees prevent radiant heat loss
Frequently asked questions on seatbox accessories How do you change the inserts in a seatbox attachment
However, if you want to carry a laptop, other gear, and room for any other everyday essentials that you can comfortably wear on your back, then a backpack is your better choice
The massive side pockets hold everything from dual water bottles to a rolled-up tent, and the hip belt is nicely padded with large pockets where I can fit snacks, my phone, and a headlamp
The main compartment is large, without feeling cavernous and the laptop slot (which fits up to a 17 macbook) holds my computer quite well
Most of the cost comes from recoverylabor, transportation, and dump fees because sandbags get contaminated during floods and the sand can't be reused