G4Free 40L Military Tactical Rucksacks Backpack Camping Hiking Trekking Unisex Outdoor Sport Bag 600D Polyester Multicolor Excellent Shoulder Strap Padding: widen shoulder strap,chest strap and waist strap with spongy cushion, make it more comfortable and release pressure of shoulder, spongy cushion back padded make it ventilate, your backside feel more desiccative and comfortable. Handy and convenient:a large Main Compartment enough to organise things well,an extra compartment on the top and a small Zipper pocket in the front,you can put some small things in it,such as key ,card,gadget,etc. Additional top & bottom strapping useful for external loads. These can easily accommodate both a tent, rolls or sleeping bag. Perfect to use when hiking, traveling, camping, mountaineering and other outdoor activities. High quality Material: 600D polyester fabric,use good hardware,stronger zippers and buckles ,Self-repair Zippers , make it more durable and strengthen ,very comfortable to carry through trails and up and down mountains. Not waterproof, but this tactical backpack was impervious to light rain. Military style, suitable for Outdoor activity lovers, traveler, mountain climber, especially Wargame, military enthusiasts collection.