The Columbia Landroamer Black Backpack is perfect for outdoor enthusiasts and daily commuters. Whether you're hiking in the mountains or heading to work, this backpack has got you covered. It's made of 100% polyester with 840D HT ballistic nylon panelling and has a weatherproof TPU coated exterior. It comes in one size that fits most people comfortably. With multiple compartments, you can easily organize your items like laptops, books, and clothes. The built - in rescue whistle adds an extra layer of safety during your adventures.