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Subterra 21L Backpack

5 out of 5 stars
5 Reviews
Current price: $103.95 Original price: $139.95
26% off



Why We Like The Thule Subterra 21L Backpack

The Thule Subterra 21L Backpack is made for busy days when we're running back and forth across town and need the ability to carry essentials, like our laptop, charging cables, a few snacks, and an umbrella with us to get everything done on the go. The 21-liter backpack offers plentiful organization with a zippered tech pocket that features an organizational panel with dedicated pockets for our power bank, notepad, pens, cords, and keys. The hidden back panel security pocket keeps valuable items safely stashed away, which is perfect for trips abroad when we are carrying our passports and some extra cash.


  • Adaptable daypack that simplifies our daily carry
  • 21-liter capacity carries a full day's worth of gear
  • Durable polyester keeps our valuables protected
  • Soft padded shoulder straps offer all-day comfort
  • Two side mesh pockets hold water bottles and umbrellas
  • Hidden back panel security pocket stashes essentials
  • Large 16-inch laptop sleeve keeps our laptop secure
  • Zippered tech pocket holds power banks and cords
  • Item #THUZ3R1
Responsible Collection
Bluesign Approved
21L (1281cu in)
Shoulder Straps
padded, adjustable
[external] 2 side mesh, 1 zippered tech, 1 zippered back panel, [internal] 3 drop in media, 1 zippered stash, 1 laptop sleeve
Laptop Sleeve
18.1 x 12.6 x 7.9in
Claimed Weight
1lb 13.92oz
Manufacturer Warranty
limited lifetime

Overall Rating

5 based on 5 ratings

Review Summary

1 Stars - 0 reviews
2 Stars - 0 reviews
3 Stars - 0 reviews
4 Stars - 0 reviews
5 Stars - 5 reviews

What do you think about this product?


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5 out of 5 stars

May 16, 2024

Reliable, efficient backpack

[This review was collected as part of a promotion.] This is a great backpack. Perfect for travel, school or commuting. There are tons of pockets and compartments within, and a trolley sleeve for traveling. I found it was easy to stay organized, and was pleasantly surprised by how much really fit!! I was able to fit 2 laptops, a book, a toiletry bag, and my dog’s toy for a flight. In addition, it’s very sharp looking. Highly recommend.

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Originally reviewed on

5 out of 5 stars

April 6, 2024

Nice design and can attach to carry on luggage

[This review was collected as part of a promotion.] It’s a comfy size and I just use it last week for my trip. It’s light and can attach to my carry on luggage so super connivence. It can handle laptop, few clothes, snacks, drink and cables.

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Originally reviewed on

5 out of 5 stars

April 3, 2024

Comfortable, minimalist backpack

[This review was collected as part of a promotion.] I really like the look and feel of the Subterra 2 backpack. If you are someone who likes a clean look then this should be right up your alley. The logo isnt in your face and it’s a nice black on black subtle marking. There is no shortage of storage in the backpack. There are tons of inner pockets and some are nicely lined for items such as laptops. Wearing the bag is also very comfortable. I am a big fan of the small chest strap that is included!

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Originally reviewed on

5 out of 5 stars

April 3, 2024

Work great for work

[This review was collected as part of a promotion.] I love the backpack the fabric is thick in up that my husband use to go work everyday. So comfortable! It has compartments for both laptop and tablet

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Originally reviewed on

5 out of 5 stars

March 28, 2024

High quality

[This review was collected as part of a promotion.] The Thule Subterra 2 backpack has truly exceeded my expectations in every aspect. As someone who relies on a backpack daily to carry my computer, I've gone through quite a few, but I can confidently say that this one stands out as the best I've ever tried.First off, its sleek design immediately caught my eye. It's not just stylish; the materials feel top-notch and durable, which is crucial for something that sees daily use and accompanies me on travels. What truly sets this backpack apart for me is its organization. The array of pockets and compartments make it a breeze to keep my belongings tidy and accessible. Whether it's my laptop, tablet, or charging cables, everything has its designated spot, eliminating the frustration of rummaging through a cluttered bag. Comfort is another area where the Thule Subterra shines. The padded straps and back panel provide excellent support, even during long commutes or extended travel days. Plus, the adjustable sternum strap helps distribute weight evenly, reducing strain on my shoulders and back. After discovering this great backpack, I truly recommend it.

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Originally reviewed on