(Click here to see carry on limits by country) Front-loading or clamshell Design: allows easily accessing anywhere in the bag easily, without unpacking much Lightweight via simple design, innovative materials, and efficient construction saving more weight and space for packing Comfortable shoulder straps that stabilize the load letting you use it on any terrain Comfortable yet functional hip belt so they can be used for long walks on any terrain Durable enough to survive at least 2-3 years of constant travel and hard abuse (budget bags) and the rest should last for life Fit : The bags shoulder straps, height, width, and waist belt fit your body Size: The bags capacity fits your packing needs, with room for everything you need to travel comfortably, and the dimensions fit the maximum size for your preferred mode of travel airplane carry on, train, bus, et.c Sufficient Pockets and Organization : The bag has room and logically placed pockets for everything youll carry and in a thoughtful way

For an idea of how long it takes to do a hike, consider that the average time it takes to walk a mile is 20 minutes, give or take a bit
For $400, I would expect the tentpoles not to crack after using them for less than a month
Can I use a Nike backpack with chest straps for hiking
4 strands line simple to braided, often used to pole rods