Oxking 40 Liter Outdoor Sports Hiking Climbing Camping Backpack Waterproof Professional Mountaineering Bag Large Travel Trekking Rucksack Daypacks High Capacity:50L+10L(3051+610 cubic inches), Size:70*32*25cm, Weight:1.53Kg. Waterproof- Quality polyester fabric, water-resistant, tear resistant, wear resistant, breathable and moisture proof, smooth and comfortable, water repellent surface and come with a rain cover, perfect for outdoor sports. Product Design:That divide into main compartment, secondary compartment, sleeping bag compartment, bladder compartment with hydration access, hip-belt pocket, top lid pockets, side zipped pouch and mesh side pockets to keep your stuff separate and organized. Function:SBS zipper, YNS buckle, cold-resistant and more secure,ey rings and bottom straps for hanging tools, trekking pole, tents, sleeping bags, and other accessory. it is professional backpack for camping, hiking and backpacking, designed to be comfortable and functionally versatile. repellent surface and come with a rain cover, perfect for outdoor sports. Internal Frame System:Super carrying-TCS professional adjustable decomposition system 8 different adjustable sizes to fit your height, 3 sizes for the height: S/M/L. Padded and breathable mesh back panel and shoulder straps offer cushioned comfort, while also promoting air circulation along your back and shoulders