I use my LBE anytime/everytime I use my ALICE pack for camping/backpacking. I use the LBE for dayhiking and hunting.

If you don't have it (EDC) with you when you need it, it does you no good and my PSK and other equipment are kept in my harness and it's attached accoutrements.

I can do an unexpected overnight with my LBE and be fairly comfortable.
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QMC, USCG (Ret)
The best luck is what you make yourself!