Backpacks are bags that possess two shoulder straps which allow the wearer to carry the bag on their back. Backpacks are often associated as a student's must have school accessory for carrying books, etc from class to class.
About Hiking:
Hiking is a recreational activity which consists of taking long walks in outdoor environments. The activity of hiking is often performed on hiking trails that generally requires the use of special footwear, such as hiking boots, that can provide support, stability and traction on rough terrain. When hiking, the use of the appropriate hosiery can also help prevent blisters, distribute pressure and absorb shock making the experience of hiking more enjoyable.