This is a great thread, but it's getting long and there's a lot of info. I wanted to go through it all for myself, but figured I'd summarize it in case others find this helpful. Basically, I've combined everyone's suggestions, eliminated redundancy, and grouped it into "function". There are a few specific things I left out of the list (e.g., SHTF's herb...), and i've not included all the manufacturer and/or model details, but it's pretty comprehensive:
Clothing
Zip off pants (Kuiu Kenai)
Down pants for glassing
HPG mountain serape
Schemagh (large scarf; Also, Spec-Ops Recon wrap)
Neck gaiter
Lightweight gloves
Merino Wool (Kuiu 145 zip off bottoms)
Quality rain gear (First lite, Church)
Quality boots
Knee pads
Crocs or other camp shoes
Stretch pants, like*Prana Zion pants
Gaiters
Black Rock Hadron Down Beanie
Comfort
headphones
Chapstick (DDW balm)
Leukotape (blisters)
Tenacious Tape
Toilet paper
Baby wipes
Motrin, aleve, ibuprofen
Foot and hand warmers
Electronics
OnX or Gaia apps
Petzl e+ light
Headlamp (Fenix, BD Spot, zebra)
Luci lantern/light (solar)
GPS
Food/Water
water filter (Sawyer Mini)
Water bladder
Food (including food that doesn’t require a stove; Heather’s Choice Meals; Honey Stinger)
Coffee (e.g., Starbucks Via )
General gear
Trekking poles (Locus Gear)
Havalon Piranta
Gun Bearer
Gransfors Bruks Small forest axe
Optics
Rangefinding binoculars
Clip Shot camera holder
Silk 634 or*Outdoorsmans tripod
Bino tripod mount (Bushnell)
Bino Harness (AGC), sitka*
Bino case (fnf)
Microfiber cloth for glass and glasses
Defogger spray for optics
Butt pad or*Stool for glassing (Helinox chair)
Safety
Delorme Inreach/ACR personal beacon/Spot
Grabber all weather emergency blanket
Fire starter (Vaseline cotton balls; lighter fluid)
Sleep
Pillow (Sea to summit aeros; Big Sky dream sleeper)
Insulation that is compressible (including a vest)
Tent: BA seedhouse 2
Insulated air mattress (Xtherm)
Cot (ultralight)
Tarp