There are different type of backpacks are
available on the market. Some of them are described below:
[If you want a research based article on backpack, you must should visit Wikipedia's backpack article]
Internal frame backpacks
[If you want a research based article on backpack, you must should visit Wikipedia's backpack article]
Internal frame backpacks
These were introduced in the1960s.They are made of frames that are either made of aluminum, plastic or titanium. The internal frame is covered by a large section of fabric.The frame is usually light weight and is used to distribute the weight of the load evenly. These backpacks are fitted with straps that enable the user to lift and carry the backpacks without strain. These backpacks are ideal for mountain climbing, skiing amongst other functions that it can be used for.
External frame backpacks
These were introduced in the 20th century. This backpack is made of external frames that are covered by fabric in the inside. These types of backpacks are used to carry heavy things. These are backpacks that have straps that are used in protecting the carrier from being hit by the frame. These backpacks are mostly used by the military to carry their equipment.
Frameless backpacks
These are the most used kind of backpacks .These type of backpacks are padded and are commonly used to carry things around.
Special purpose backpack
These are backpacks that are designed to carry
out specific functions .some of these backpacks are laptop bags ,school bags ,
camera bags , messenger bags, draw string bags amongst others.
What type of backpacks are really cool?
What is cool backpacks? yeah, this is the question! To answer this question, I must say, it depends, depends on person to person.
Please drop your personal comment here, what type of backpacks will you call cool?
