How to choose the best travel backpack: a simple step-by-step guide
By Leo Morgan
Overwhelmed by backpack choices? Use this step-by-step guide to select a travel pack that fits your trip, personal comfort, organization needs, and airline carry-on rules.
Start with your travel plans and trip type
Before falling for a backpack’s looks or promotions, consider the kind of journey you’re planning. City escapes, multi-country adventures, and weekend getaways each favor different backpack designs. Short trips often require less capacity and fewer specialized features, whereas extended travel may necessitate extra organization and comfort adjustments.
Are you mainly flying, or will you face bus rides, train transfers, or rough terrain? Think about how often you’ll need to pack, repack, and carry your bag over distances. Urban travelers may prefer sleeker profiles that look at home on public transport or in cafes, while outdoor explorers might prioritize weatherproofing and support for longer hauls. A clear idea of your travel context weeds out many unsuitable options at the start.
Settle on the right backpack capacity for your needs
Capacity, measured in liters, ultimately dictates what you can bring. For most leisure travelers, 35–45 liters hits the sweet spot: large enough for multi-day journeys, yet compact enough to carry on for most airlines. Weekend trips or minimalist packers can often get by with 20–30 liters, while longer or gear-heavy trips may require up to 55 liters.
When in doubt, try a mock pack with your essentials into an existing bag of listed volume. Overpacking is both tempting and regrettable—heavier loads mean less flexibility and comfort later. Consider the destinations’ climates and whether you’ll need room for specialty gear or souvenirs. Airlines’ carry-on rules vary, so always check maximum size limits before committing to a larger pack.
Understand airline carry-on and personal item rules
Airline regulations for cabin baggage can be surprisingly strict and inconsistent across carriers. Most budget European and North American airlines impose maximum carry-on backpack dimensions—often around 55x40x20 cm (22x16x8 in)—as well as weight limits, usually between 7 to 10 kg (15 to 22 lbs). Exceeding these leads to costly gate checks or delays.
Separate from the main carry-on, some airlines allow a smaller “personal item” such as a slim daypack or laptop bag. Verify whether your ideal backpack must fit under the seat or only in the overhead bin, and beware that soft-sided packs are more forgiving to squish if your load is only slightly oversize. Before purchase, double-check your main route and preferred airline’s latest carry-on and personal item requirements.
Match backpack fit to your body and frame
Poorly fitted backpacks are an invitation to aches and imbalances. Backpack fit involves more than overall capacity: torso length, shoulder width, waist size, and even chest shape all influence comfort on the road. Many quality packs come in multiple sizes or allow harness adjustments for a tailored fit.
Take time to measure your torso (the distance from the prominent bone at the base of your neck to the top of your hip bones), and consult manufacturer sizing charts. Try on loaded packs in person, if possible—adjust hip belts so most weight sits on your hips, not your shoulders, and check that the straps curve comfortably without pinching or sliding. Some brands offer men’s and women’s versions to accommodate different anatomies, which can be worth the extra attention.
Test for all-day comfort and load balance
It's easy to underestimate comfort until you’re racing for a train or navigating stairs. A truly comfortable backpack distributes weight evenly and invites you to move naturally with a full load. Key comfort features include a padded, ventilated back panel, thick or contoured shoulder straps, and a supportive hip belt. Sternum straps prevent shoulder slip during activity.
Try the pack fully loaded for at least half an hour. Walk, climb, and twist: are there pressure points or wobbling? A well-designed pack should hug your back with minimal shifting, and you shouldn’t feel pressure on your neck or lower back. Look for breathable materials on areas that press against your body, especially if you anticipate travel in hot climates.
Prioritize smart organization and compartments
Even expert packers run into chaos without organized storage. Backpacks for travel should offer a logical blend of compartments: one large main space for clothes, padded sleeves for electronics, and smaller quick-access pockets for keys or snacks. U-shaped clamshell or front-loading designs allow the pack to open like a suitcase—far more convenient for finding items than traditional top-loading hiking packs.
Consider dedicated spaces for shoes, dirty laundry, or water bottles, and internal pockets or compression straps to keep everything secure. External pockets are handy for travel documents and cords but can be a theft risk in crowded settings. Evaluate your organizational habits: some travelers love many small pockets, while others use packing cubes or just need the basics.
Assess materials and weather resistance
Backpack longevity and protection start with materials. Look for durable, abrasion-resistant fabrics such as high-denier nylon or polyester. Reinforced stitching and bar-tacked seams boost reliability under load. Water-resistance is crucial for travelers facing unpredictable weather; many top backpacks use treated fabric or add a rain cover as standard. If your adventure includes significant outdoors time or monsoon seasons, full waterproof construction may be worth the investment.
Hardware matters too. Test zippers for smoothness with the pack full, and check that buckles, pulls, and adjustment points feel sturdy in your hands. Reflective details add visibility for early departures or dusk arrivals and can be especially important for those on foot after dark.
Check for easy access and security features
Travelers need gear at unpredictable times: efficient access saves hassle and prevents frantic airport unpackings. Look for backpacks featuring wide-opening main compartments, external pockets with secure closures, and zipper pulls that can be locked together. Some packs build in anti-theft features: hidden compartments, cut-resistant straps, or RFID-blocking pockets for passports and cards.
Backpacks with lockable zippers allow you to secure the main compartment during transit or hotel storage. Check for discreet stash pockets for wallet or phone, ideally close to your body. Think about the conditions you’ll face—urban areas, overnight trains—and choose features that balance convenience and peace of mind.
Don’t overlook weight when empty
Empty backpack weight makes a bigger difference than you might expect, especially with smaller airline baggage limits. Lightweight travel packs can be under a kilo (~2 lbs), while feature-heavy technical packs can be substantially heavier even before packing. Every additional 500g quickly eats into your available allowance and comfort margin.
Balance the temptation of numerous features against the core functionality you require. Ultra-light packs may sacrifice padding, support, or durability, while the most robust options sometimes overdo it for city-focused travel. Pick a bag that meets your needs but won’t penalize you before you’ve even packed key items.
Consider versatility and packability
Some travel backpacks can double as hiking daypacks, briefcases, or even personal-item underseaters depending on their design. Removable or stowable straps, discreet handles, and modular accessories boost your pack’s usefulness on various types of trips. If you expect to do city walking, beach days, and work meetings, a streamlined, adaptable shape is invaluable.
Compression straps let you cinch down a partially filled backpack for short trips or maximize space for longer legs. Bonus points for packs that maintain shape and comfort whether fully loaded or not. If storage space at home is an issue, consider whether your backpack packs down small for easy stowing between adventures.
Factor in price, warranty, and sustainability
Backpack prices range from budget-friendly to premium investment. Set a clear budget but think long-term: a higher upfront cost can be justified by a robust warranty, user-repairable parts, or outstanding durability. Many trusted brands offer repair services or generous satisfaction guarantees, demonstrating confidence in their products.
If sustainability matters to you, look for recycled materials, bluesign certification, or brands with verified ethical supply chains. Longevity is one of the greenest features—choosing a backpack that lasts saves resources and money over time. Weigh all these aspects against your travel frequency and style to decide when to splurge or save.
Test pack before your trip and make necessary tweaks
With your new backpack in hand, don’t wait for departure day to test its function. Pack it with everything you plan to bring—clothes, gadgets, travel docs, toiletries—and walk around your house, up and down stairs, and possibly even outside. See if the weight is distributed comfortably and if you can access items as needed.
Take careful note of any annoyances: straps that cut in, zippers that stick, or pockets you can’t reach. This is your last chance to tweak your packing system, add pouches or cubes, or reevaluate your packing list. The best backpack will support your journey, not distract from it—giving you confidence and ease for wherever your travels take you.
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