40L Waterproof Outdoor Sports Camping Backpack with Rain Cover Hiking Trekking Mountaineering Climbing Travel Cycling Rucksacks BagsFeature:Large Capacity Backpack: This trekking pack has a capacity of 40 liters and measures 21.3 x 13.8 x 9.1 inches. Multi-compartment design, including a zippered main compartment, a zippered front pocket and two side pockets, a divider and a small zippered pocket in the main compartment, with more than 10 pockets to store your Everything you need on the go. Durable Material: Our camping backpack is made of high quality waterproof polyester fabric with smooth metal zipper. Seams on the backpack and shoulder straps are resistant to tearing even with heavy loads. All stress points are reinforced with steel bars for added durability. Breathable mesh padding: This is an ergonomically designed backpack. With breathable mesh padded shoulder straps and back. It is the perfect hiking backpack for outdoor activities. Practical and Multifunctional - This travel backpack easily folds into its own pocket for storage; sturdy shoulder straps with ample foam padding take the load off your shoulders. Ideal comfort for everyday use or day trips, vacations, travel, hiking, school, camping and shopping. Six functional advantages It is the best choice for travel and mountaineering. It upgrades the breathable decompression carrying system. The length can be customized and adjusted to match the torso. The highly breathable carrying structure can enhance the comfort exp