OneTigris 50L 3 Day MOLLE Tactical Military Assault Backpack Outdoor Sport Camping Hiking Trekking Bushcraft EDC Survival Rucksack Started with 1000D Nylon and over-sized snag-free zippers, we added multiple pockets and sleeves to store all the adventure essentials Strong materials, rugged construction and Soft back panel ensures a comfortable fit MOLLE webbing on the front and both sides ensures you have enough room to add more pouches and gear and secondary compression straps for holding on to an axe, hiking poles, saw, etc. Wide Shoulder Straps with quick disconnects, 50L 3-day Pack, Expansion Pack included Several internal pockets and sleeves for maps and ID and there is even a pocket for a hydration bladder with an outlet on the top of the pack so you can stay hydrated on the trail 1000D Nylon and over-sized snag-free zippers OneTigris Expansion Pack included Water resistant coating Hydration bladder pocket with top outlet MOLLE webbing on the front and both sides to add more pouches and gear Secondary compression straps for holding on to an axe, hiking poles, saw, etc. Soft back panel ensuring a comfortable fit Wide Shoulder Straps with quick release buckles in case of emergency