For backpackers the most important thing is his backpack. This is the only gear which matters most in backpacking. So it is essential to choose a backpack that fits you well. Since you will take it along with you during the whole trip makes it more important that the fitting of your backpack should be good. A wrong choice while making a selection and you has to bear the inconvenience and pain of carrying it through all that distance.
Your backpacking experience is going to depend on your choice of selecting a good backpack. How much you can take along with you depends on the selection of backpack apart from the fact how you feel in the journey as well as the backpacking experience.
So it is important while choosing a backpack that you have examine its fitness. Once you find a good fitting backpack, all other minor problems such as amount of pockets and storage space could be solved easily. The fact that it has all the necessary figures and desirable facts could not help you if it is ill fitting to you.
To get a fitting backpack you first have to measure your torso length. Also measure your back from top to lower back. All most every backpack is labeled for the torso size and hence if your size falls in between two different size, select the larger one. Ensure that the hip belt fall right at your hips with the lumbar pad on the lumbar region when you put on the backpack. After put on the backpack you should be able to move your arms freely and the shoulder harness should not get in the way. Also try to put the backpack with some loads on it to know how it feels when loaded.
After putting some weight into the backpack make sure you get the straps in the correct positions to know whether it fits well with weight in it and also ensure that it moves easily in this position. Walk around, preferably on the flat grounds and on stairs in this position to make sure you can take the back off and put it back quite easily. Adjusting the weight easily is also in your checklist while you selecting a backpack. While choosing backpacks consider what quantity you are going to take. If you generally has heavier load then go for a light backpack. Once you are confident of above all things then you could buy the backpack for your travel.