You need a backpack with lots of room for all your supplies, but all backpacks out there are too big and heavy?
The 55L Universal Backpack is exactly what you're looking for! With its capacity up to 55L it has large potential storage for all of your supplies for the next days, but with just 20" in height it just as big as most small backpacks with 30-40L capacity while it is much more durable due to the 600D Military Nylon it's made of!
The inside pouches are made of waterproof material to protect your supplies or electronics from rain/water
Padded Bag part of the backpack to give a high wearing comfort even when you're transporting heavy stuff
The small pouches inside the main compartment of the backpack allow you to store anything just the way you want to.