The choice between a backpack or a rolling carry-on depends entirely on your travel style and destination. A backpack is the superior choice for "active" travelers who plan to move between multiple locations, navigate cobblestone streets (common in Europe), or use public transit like trains and buses; it keeps your hands free and is much easier to carry up stairs. Modern travel backpacks (35L–45L) are designed to open like a suitcase, offering the best of both worlds. On the other hand, a rolling carry-on is the "comfort" choice for a single-destination trip or a business traveler. It takes the weight off your shoulders and keeps your clothes more neatly pressed. However, rolling bags are difficult to manage on uneven terrain and are the first to be "gate-checked" by airlines if overhead bin space is tight. In 2026, many savvy travelers use a hybrid approach: a small, high-quality rolling bag for the main luggage and a lightweight "personal item" backpack for essentials. Ultimately, if you are heading to a resort in the Caribbean, go with the roller; if you are backpacking through Southeast Asia or Japan, the backpack is indispensable.