Day Pack
It is known as a day pack because it is usually only big enough to keep just right amount of supplies that you will need for a one-day trip. People who travel with the ease of extra lightness might want to try fitting all the stuff that they need into a day pack.
Hiking Backpack
The well-known travel type of backpack is made a hiking backpack. This is meant to carry weight for long distances and is usually filled to the brim.
Wheeled Backpack
This is ideal for those who are not comfortable carrying the backpack on their backs. This type comes with rugged wheels and straps.
Specific Travel Backpack
This type is not intended to walk for intensely long distances. Rather, it is designed to carry heavy loads of weight compared to the hiking backpack. This is usually durable and comes with a sipper access in its belly part and conveniently opens similar to that of a suitcase.