This backpack is ultralight weighing in at about 1.5lbs! I'm including a sleeping pad that doubles as a cushion and frame for your back. The pack has about 56 liters of space. Hip Belt pockets are very large and will fit any cell phone! There's a large mesh pocket for any rain gear or wet gear storage, quick access items. Side water bottle pockets are large and hold 1 liter Smart water bottles without a problem. It's hydration bladder ready with ports for either shoulder. The pack itself is made of durable material and is highly water resistant. I even seam sealed it to help it be even more water resistant. It's like new and has only been used about 3 times. No stains, marks, or tears. I will probably bring it to Colorado with me this weekend if it isn't sold by then. Thanks for looking, message me with any questions or to schedule pickup.