The Portland Gear Cascade Backpack Bag is a stylish and functional carry-on option in a solid olive green color. This waterproof backpack is designed to protect your belongings from the elements, with features such as a laptop sleeve for a 15-inch laptop, large outer pockets, and padded protection. With its trolley sleeve, this backpack is easy to transport while on the go, making it a practical choice for everyday use or travel.