When it comes to choosing the best travel backpack, there are a few key factors to consider.

First and foremost, you'll want to think about size. If you're planning on carrying your backpack around with you as you explore new cities, you'll want something that's not too cumbersome or heavy. On the other hand, if you're planning on doing more backpacking or hiking, you'll want something with a bit more capacity to hold all of your gear.

Another important factor is comfort. Look for a backpack with padded shoulder straps and a supportive hip belt, as these features can help distribute the weight of your pack more evenly across your body and prevent back strain.

Durability is also important when it comes to travel backpacks. After all, your backpack is going to be subjected to all sorts of wear and tear as you travel, so you'll want something that's built to last. Look for backpacks made from high-quality materials like nylon or polyester, and be sure to check the warranty and return policy before making a purchase.

With all of these factors in mind, here are our top picks for the best travel backpacks of 2023:

1. The Osprey Porter 46: This backpack is the perfect size for short trips and has a durable design that can withstand the rigors of travel. It's also lightweight and has padded shoulder straps and a hip belt for added comfort.

2. The Deuter Transit 50: This backpack has a spacious 50-liter capacity, making it perfect for longer trips or for those who need to carry a lot of gear. It also has a durable construction and comfortable carrying system.

3. The Tortuga Setout: This backpack is specifically designed for urban travel, with a sleek and stylish design that's perfect for navigating crowded streets and public transportation. It's also lightweight and has padded shoulder straps and a hip belt for added comfort.

4. The REI Co-op Ruckpack 40: This backpack is perfect for those who love to hit the trails. It has a 40-liter capacity and is made from durable materials that can withstand the elements. It also has a comfortable carrying system and a number of useful pockets for organizing your gear.

No matter which backpack you choose, be sure to do your research and choose one that meets your specific needs and travel style. With the right backpack by your side, you'll be ready to take on any adventure that comes your way.