>>2716586I use a modified 5.11
pic and link rel, its really nice for day packing, I have mine set up to be good for 24 hours and I can also use it as a lumbar with their series belt and I can attach it to my kelty backpack when I camp
https://www.511tactical.com/skyweight-sling-pack.HTMLI use an amazon special water bottle holder on the strap instead of bottom slot so I can do everything without taking off the pack
I've been a sling hiker for several years and you cant really beat this one with a few adjustments.