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Is 90l backpack too big?

But bags larger than 65L are way too big for travel, even on extended trips. If you'll be traveling for more than a week or two, you'll need to do laundry anyway. You can't—or at least shouldn't—try to carry a month's worth of dirty clothes. Between these two extremes is the sweet spot of backpack sizes.



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Most of the time, you do not need 85 liters worth of capacity. That being said, it isn't going to hurt to have the extra space if you ever do need it. There's really no reason not to have extra space since it can be cinched up by compression straps anyways.

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24-26 liters is considered a medium-size backpack and is probably the most popular bag capacity out there. It's great for taking to school or work, depending on the styling, and can also be a great travel pack for taking on a plane.

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Trips of 5 days or more usually call for packs of 70 liters or more. These are also usually the preferred choice for winter treks lasting more than 1 night. (Larger packs can more comfortably accommodate extra clothing, a warmer sleeping bag and a 4-season tent, which typically includes extra poles.)

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A 50L+ backpack is a great friend to those travelling for a few weeks. These bags are spacious and can accommodate a number of outfit changes before you ever have to visit a laundromat. But don't be tempted to fill your pack to its capacity before you've even left - remember to save space for souvenirs!

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Size Matters (but Bigger Isn't Better) Like a few other things in life, size matters when it comes to choosing a backpack — but not in the way you might think. Based on many years of dragging excessively large backpacks around the world, I have to say bigger is not better. You do not need an 80 or 90 litre pack.

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The design of the 70L is perfectly suited for airplane carry-on or check in, and the features of the 70L are perfect for any adventure once you arrive at your destination. Being able to compress the 70L allows you to use it as carry-on for all major airlines in the US and Canada.

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70-80+ Liters
You can expect to fit the following in a 60-70L backpack: Water bottles. A heavier jacket and extra sets of clothing. A larger first aid kit.

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LARGE BACKPACKS (> 40L) They make for great travel bags when you don't want to check in luggage. Even if you're a heavy packer, you should be able to take a 45L pack away for a weekend. A light packer could easily do with a bag like this for a week.

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Most pack sizes are based on torso lengths, meaning that you select the torso measurement but are stuck with the size of the accompanying hipbelt. Some packs, however, are made with interchangeable hipbelts, allowing you to select both a torso size and hipbelt size (the Gossamer Gear Mariposa is one example).

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In most cases, the compartment size may range from about 35 to 45 liters. In some cases, the bag may also have an expandable pull string storage for more space.

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A 75 liter luggage is considered somewhat large to be carried into the aircraft cabin and it will most likely have to be checked in.

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