Some of the things I would like to have more accessible in my daily guiding would be my binoculars, wildflower field guides/books, reading glasses, sat device, bug spray, sunblock in addition to the things I usually put in my hip belt pockets like snacks. When it was my turn to test this pack on the final leg of our trip, I tried to put everything in there that I could think of, and there was still plenty of room to spare when another hiker (testing the minimalist Symbiosis pack) who needed me to hold her sunglasses case
Filson Weatherproof Leather Journeyman Backpack, $925, available at Filson 7
Visible signs of wear and tear
The running depth is dictated by the size of the lip the bigger the lip, the deeper it will run
Underside padding keeps the laptop safe if you drop the bag on the floor, while padding around the compartment prevents general bumps and scrapes from damaging your device