Travel smarter, not heavier. The new Stark expandable travel backpack by Mark Ryden is designed to blend style with ultimate convenience.nStark will serve you the ultimate carry-on luggage for every type of trip. And best of all, it intelligently expands its capacity from a standard 30 liters to a roomy 40 liters whenever you need extra space. Built for the seasoned traveler, the Stark features a clean, minimalist look and thoroughly engineered functionality. It boasts three large compartments, including a dedicated, secure sleeve for a 17.3-inch laptop . The main luggage compartment expands by a full 10 cm, ensuring you never have to leave anything behind. An array of internal and external pockets keeps all your valuables, gadgets, and small items perfectly organized.We've added the travel essentials: dual handles, an external USB port for charging and a luggage strap to easily attach it to a suitcase handle. Constructed from a durable, sleek waterproof vinyl and featuring reliable Japanese YKK hardware, this bag is built to endure. The orthopedic back and wide straps are lined with a breathable membrane to ensure maximum comfort, even when fully packed.