Backpacks are available in three types when it relates to packing:
1.Panel-Loading: There are many large "pockets" inside the primary bag of the backpack where you are able to divide out your equipment. These are accessed through U fashioned zippers on the backpack. The most important benefit is simplicity of locating that particular piece of equipment and not having to look in lots of stuff. Unfortunately, they don't pack quite as easily as a top loading backpack. An additional challenge is with numerous zippers, one is certain to fail at the least convenient time.
2.Top-Loading: The top-loading styles are one big pocket. You open up the top and stuff your equipment inside. When filled properly, it can be very efficient use of storage. You can have a dilemma if the important item is at the very bottom of the backpack and you have to have it immediately. Fewer zippers mean less likelihood of a zipper busting on the hike, a serious advantage. Additionally, these are usually lighter in weight due to the decreased amount of materials and zippers.
3.Combined Loading: These are typically a mixture with the two above. Typically, a Top-Loading design but, with side pouches.
Water Bottle Stretchy Pockets: These are located to the outside on the backpack and while empty, rest next to the core pack bag. They're intended to put water bottles, tent poles or other items into.
Shovel Pocket: These are generally fold over pouches on the front side of the backpack (The part farthest away from you while you have the pack on) with a clip to hold it shut.
Hydration Pocket: Most backpacks provide a hydration pocket. In the event that this is important to you, make certain that it provides two openings (one on each side) for the drinking hose to poke out of. If you prefer the drinking hose to be on the right and it only has a single opening for the left, that attribute could turn into a nuisance rather than a benefit.
Hipbelt Pocket: Really self explanatory, it's a pocket found on the hipbelt. These types of pockets are wonderful for keeping food or various compact goods. These are extremely easy to get to, so any small article that must have immediate access may be kept here.
Tool Loops: These are loops on the backpack that may help to carry trekking poles, ice axes or anything that you consider needs to be on the outside of the backpack, this is very practical.
Top Lid: This is a little pouch that is attached on the top of the pack. These kinds of pockets tend to be excellent to keep items that have to be accessed immediately. These are additionally removable. Many serve dual functions and could be modified into a hip pack for short trips away from base camp.
Shoulder Strap Pocket: These are typically an added accessory. They connect to your shoulder strap and may carry things which need immediate access. Some include a slot for earphone (ear bud) cable access.
The most important ideas about selecting a backpack are: Fit, Comfort and Size. After these have been accomplished, then go for the choices which you like.