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Both Outbreaker travel backpacks are designed to fit nearly everyone so you can choose based on your packing style, not your genetics. The Outbreaker collection’s adjustable suspension system conforms to your body. Move the shoulder straps up or down to find the best fit. Adjust the hip belt for a snug fit to take the weight off of your shoulders and to keep your back from aching. Remove the hip belt if you packed light and don’t need the extra support. The specs below show the ideal sizes for each backpack. The best way to tell if your backpack will fit is by measuring your torso. Torsos vary in Length, even between people of the same height. Here’s how to measure your torso.
The Outbreaker 45 is a maximum-sized carry on backpack that will fit on most airlines.
16–20” Torso length
If you’re packing for a long-haul trip, the 45 is probably for you. You’ll have enough room to bring everything you need for months (or years) on the road without checking a bag.
If you’re new to carry-on only travel, or like to bring a little more rather than just the bare essentials, the 45 is the right bag for your packing style.
If you typically pack light, but buy things on the road, the 45 is for you. You’ll have plenty of room in your bag for art and souvenirs. Compress the bag with the straps when it isn’t full to stabilize the load.
The Outbreaker 35 is slightly smaller than the 45 and fits the strictest airline carry on limits.
16–19” Torso length
If you frequently fly on budget airlines (like RyanAir), consider the Outbreaker 35. We’ve flown on budget airlines with the 45 without issue, but it’s technically breaking their rules. If you mostly fly on budget airlines, take shorter trips, and want peace of mind at the gate, the 35 is the way to go.
If you’re a minimalist packer, the 35 is probably for you, no matter the duration of your trip.
|Short Trip (1 week)||Long Trip (2-4 weeks)||Really long trip (1 month or more)|
|Average Packer + room for extras||45||45||35 or 45|
35 or 45
|Minimalist Packer + room for extras||45||45||45|
If you know which size is for you, you can learn more about the Outbreaker here.
If you aren't sure yet, browse our sample packing lists for men and women.