What Are the JanSport Backpack Sizes?

JanSport Backpack Sizes

One of the most common backpack brands in the world is JanSport. Many of you may know JanSport as being the brand of backpacks you wore to school in elementary school, while others rely on JanSport to carry their camping supplies. So, what size do JanSport backpacks come in?

JanSport backpacks are available in 3 distinct sizes—small (up to 21 liters), medium (up to 31 liters), and large (32 liters and larger). The storage capacity of a JanSport backpack is divided into multiple compartments and pockets.

In this guide, I’ll go into greater detail about what makes JanSport backpacks so insanely popular, the different backpack sizes, and what features you can expect.

Why Is JanSport So Popular?

Why Is JanSport So Popular

Almost every kid in my class in elementary school had a classic JanSport backpack. And while there are hundreds of backpack brands out there, JanSport remains to be one of the top contenders for the best backpack brand in the world. So, why is that?

While it can be difficult to pinpoint the exact reason why JanSport is so popular, some have alluded that this brand was one of the first to create canvas backpacks. Canvas is a woven material made of cotton and/or linen that is known for being lightweight and resistant to the elements. What these factors translate into is that JanSport backpacks are incredibly outdoor-friendly.

If a backpack can withstand the elements, it can undoubtedly withstand everyday usage at school and at home. The best thing about JanSport backpacks, in my experience anyway, is that the stitching held up all year long. So, if you bought a new backpack with your mom before the new school year, you most likely wouldn’t need a brand-new bag when you went up a grade.

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JanSport Backpack Sizes

Another thing that many people like about JanSport backpacks is their simplicity—not just in design but also in their size options. If you check out the JanSport website, you’ll find that there are only 3 bag sizes to choose from:

  • Small—up to 21 liters or 1,300 cubic inches
  • Medium—up to 31 liters or 1,900 cubic inches
  • Large—32 liters and larger or at least 2,000 cubic inches

Choosing a JanSport Backpack

Choosing a JanSport Backpack

If you’re in the market for a brand-new backpack, you should definitely consider picking up a JanSport. I’ve already spoken about how durable and reliable they are, but those aren’t the only things you should look for. Below, I’ll explain what things to consider when picking up a new JanSport bag.


The reason you’re getting a new backpack will pretty much tell you which JanSport backpack model to get. Whether you need one for school, for everyday office use, or to take to the outdoors, there’s a JanSport bag for you.

For school and everyday use, a small to medium-size bag should suffice. For outdoor camping trips, you should go big or go home. The Far Out 65 is the largest JanSport bag with a capacity of 65 liters distributed through multiple internal compartments and pockets.


JanSport backpacks are, quite literally, packed with an assortment of features. The following will describe the features you can get for your bag.

Abrasion Resistant Bottom—A foam panel that lines the bottom section of the backpack, protecting your belongings when you inadvertently drop your backpack on the ground or on top of a desk.

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Laptop Sleeve—A specialized compartment designed to store laptops, tablets, and other slender, delicate objects. The laptop sleeve can have padded walls, be a separate compartment, or have a curtain that separates it from the main storage compartment.

Water Bottle Pocket—The side canvas or mesh pocket used for storing water bottles, snacks, office supplies, and other tiny objects. Some JanSport backpacks come with 2 water bottle pockets.

Internal Organizer—Internal panels or pockets placed on the underside of the backpack’s flap to store office supplies, booklets, and other small supplies. This feature is only found in JanSport bags with flip tops.

2 Large Compartments—A secondary compartment that is similar in size or slightly smaller than the main compartment. This is a great feature to have for separating old, dirty clothes from the rest of your belongings.

Front Utility Pocket—A pocket with zippers found on the front of the bag. It can be utilized much in the same way as an internal organizer or a secondary compartment, although it’s not as large.

Fully Padded Back Panel—The padded liner on the back panel of the backpack that protects your belongings from poking you in the back. It can also prevent air circulation and induce sweating, so you might only want this feature for your non-outdoor bag.

Sternum and Waist Straps—JanSport backpacks can come with 1, 2, or no straps. The first strap is called a sternum strap, which brings the straps closer together over your chest. The waist strap keeps the backpack safely secured around your waist, allowing you to travel more comfortably while carrying a packed bag in the wild.

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Color and Style

While the color of a backpack plays a minimal role in the bag’s performance (unless you’re trying to blend in with the surrounding flora), it’s still something to consider. JanSport backpacks come in all the traditional colors, such as blue, green, yellow, orange, red, etc. Some of the more color options are floral, animal print, multi-colors, space odyssey, and camo. There’s also a pretty unique 32-liter mesh backpack that weighs just 13 ounces.


First and foremost, you need to take a look at the price tag before dropping a handful of money on a new bag. In general, the price of a JanSport bag item is directly related to the different backpack sizes—i.e., larger backpacks cost more money.

The least expensive bag on JanSport’s online store is the Half-Pint Mini Backpack, which is 7 ounces in weight and has a storage capacity of 10.2 liters. The priciest backpack is the Driver 8 Backpack, which has a 36-liter capacity and weighs 5 pounds, but it’s compact enough to fit in the overhead cabin on an airplane.


Baron Cooke has been writing and editing for 7 years. He grew up with an aptitude for geometry, statistics, and dimensions. He has a BA in construction management and also has studied civil infrastructure, engineering, and measurements. He is the head writer of measuringknowhow.com

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