Deuter UP Seoul backpack 3813821 Properties: The Deuter UP Seoul Redwood Sienna is a modern backpack with a 16-liter capacity that can be expanded to 23 liters thanks to a practical expandable compartment. Designed for everyday use in the city, at university, at work, or while traveling, the backpack features a separate, padded compartment for a 15.6-inch laptop, an organizer for small items, and a water bottle pocket. Made from materials 100% recycled PET bottles, it is environmentally friendly and durable. Ergonomic shoulder straps, a reinforced back, and a lightweight construction ensure high carrying comfort.