They will offer the most durability/comfort. They are a bit on the pricey side, but well worth it. www.backcountry.com generally has some good deals

In fact, I own an earlier version of this:

[www.backcountry.com]

It has an outside support which is a light metal alloy frame that keeps the actual "Pack" off of your back, allowing airflow. The thing is this: most "urban" backpacks are going to have an internal frame, and you will sweat like a dog with that fabric against your back hiking up a mountain. Believe me - you want an external frame :P. This one also has a stashable rainfly.



Edited 1 time(s). Last edit at 05/08/2015 06:19AM by Nurok.