As we’ve said before, finding the right backpack is important. Spend time researching and get the one that fits you and your hiking style. You’ll appreciate the time investment after several hours of carrying a good pack.
 
FYI – Since 2015, we have mostly used the Osprey Exos 58. We love it and we aren’t alone. It was the Top Backpack of 2017 on the Appalachian Trail. It is light (not ultra) and adaptable. It carries loads of 15 to 35 lbs. with ease. We can be tough on our gear, so Osprey’s lifetime warranty is another point in their favor.