1. KAKA Tactical Backpack Travel backpack for 17 inch Laptop Black (Click Link to Check Price on Amazon)
Editor's Rating : 9.8 out of 10
Main material: This backpack is made of durable terylene oxford fabric.Structure: A total of 10 pocktes. 1 Main zipped pocket, 3 front zipped pockets, 1 side mesh pocket, 2 small strap pocktes and 3 pockets in the large front zip pocket.

2. Military Tactical Backpack Large Army 3 Day Assault Pack Molle Bug Out Bag Backpack Rucksacks for Outdoor Hiking Camping Trekking Hunting (Click Link to Check Price on Amazon)
Editor's Rating : 9.3 out of 10
capacity: 39 to 64 L expandable 3 days,Constructed of 600 denier polyester with backingExternal Molle loops allow additional pockets to be attached if necessary

3. Hiking Backpack ONEPACK 70L(65+5) Waterproof Backpacking Outdoor Sport Daypack with Rain Cover for Climbing Mountaineering Camping Fishing Travel Cycling Skiing (Deep Blue) (Click Link to Check Price on Amazon)
Editor's Rating : 9.1 out of 10
HIGH-CAPACITY: Main compartment, two zipped front pocket, sleeping bag compartment, mesh side pockets, enough to bring a tent, roll up blanket, cooking gear, etc.to keep your stuff separate and organized no matter if it's a day trip or a week long journey.DURABLE: Made with high quality tear Polyester+ nylon fabric, anti-Scratch,with strong hanging system to carry more items, provides extra strength and long-lasting performance with the lightest weight possible.

4. SUNVP 30L Tactical Military MOLLE Assault Backpack Pack Large Bag Rucksack Sport Outdoor Gear for Hunting Cycling Camping with Hydration Bladder Pocket (Click Link to Check Price on Amazon)
Editor's Rating : 9.1 out of 10
Dimensions: approx. 9.05"W x 17.32"H x 7.08"D With special back water bladder (NOT included) pocket, perfect for outdoor hunting and cycling activities.

5. ArcEnCiel 70-85L Adjustable Capacity Outdoor Sports Bag Military Tactical Large Waterproof Molle Backpack Hiking Camping Trekking Gym Bags -Rain Cover Included (ACU Camouflage) (Click Link to Check Price on Amazon)
Editor's Rating : 9.8 out of 10
High-intensity military-style specifications nylon , scratch-resistant , Not easy to fade70L to 85L Capacity，comes with two-lines zippers on both side , open it and the bag can be bigger(85L)