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With that in mind, here are some features you should prioritize: Ideal Size for Carry-On (35L45L) Perfect for 13 weeks of travel without checking a bag Fits most European airline carry-on limits (like Ryanairs 55 x 40 x 20 cm) Encourages minimalist packing and eliminates baggage fees Expandability & Compression Has expandable compartments that allow extra space when needed Has compression straps that help reduce bulk and stabilize the load This is great for packing souvenirs or layering clothes as the weather changes Comfort and Weight Distribution: Has padded shoulder straps to help reduce strain during long walks Has hip belts to help transfer weight off your shoulders for better balance Has ventilated back panels to keep you cool while walking through cities or train stations Accessibility (Clamshell Opening, Side Zips) Has clamshell-style openings that let you pack and unpack like a suitcase Has side and front zippers that make it easier to grab items without digging through your bag This is great for quick access in hostels, airports, and on train platforms Security Features (Anti-Theft) Has lockable zippers to help prevent pickpocketing in busy areas Has RFID-blocking pockets to protect your passport and credit cards Has hidden compartments and slash-resistant straps to add peace of mind in tourist hotspots Train & Airline Compatibility Has a slim profile that fits easily in overhead racks and under train seats Complies with strict budget airline carry-on rules (like EasyJet and Wizz Air) Has side/top handles that make lifting into luggage racks quick and easy Weather Resistance Made of water-resistant materials to protect your belongings during light rain or splashes Has built-in or removable rain covers to keep your gear dry during sudden downpours This is great for unpredictable weather in cities like London, Amsterdam, or Prague Ultimately, these features together create the perfect travel backpack thats ready to handle a European trip without slowing you down

Theyre easy to carry, can cram into the overhead bin or under a plane seat, and provide easy accessibility to your items no matter where you are

A pen and compact notebook are also handy additions, particularly when you need to jot something down quickly without relying on your phone

Related reading: How we test camera bags Every camera bag reviewed by us is tested in a wide range of real-life conditions