HBAG 60L 3600ci Internal Frame Backpack Size: 3600 cubic inches or 60 Liters, Weight: 4.2 lbs, Material: Water-resistant heavy-duty polyester Dual-loading design allows access to the spacious main compartment from the top and the front(bottom) Gear loops and straps all over the pack, you can attach tents, sleeping bags and other gears you need Shoulder straps, waist straps as well as the back panels are all well-padded, making it more breathable and comfortable Can be adjusted to fit wide range of body sizes, Torso Length:16.5-20.5, Waist Size: up to 52