Outdoor Military Backpack Military backpacks are waterproof and rainproof to a certain extent, making them ideal for outdoor use. The two thick foam strap sections on the back of the camping backpack and the padded shoulder straps are ergonomically designed to reduce the pressure on your shoulders for easier comfort and the mesh foam also helps to dissipate heat in the summer 35L Molle Tactical Backpack The Molle system of this 35 liter molle compact backpack is designed to give you the portability to combine with knives, pockets, hooks or other gadgets.This high-capacity backpack has lots of pockets to keep things organized Multifunctional Backpack The 35L large capacity tactical bag is perfect for your many outdoor activities such as camping, hiking, hunting, military, trekking, etc. You can even use it as a daily backpack