Customer reviews from thule-us-ca
Thule - Aion Travel Backpack 28L - Black
Average customer rating
4.7 out of 5
4.7
(41 Reviews)
Open Ratings Snapshot
Rating breakdown 41 reviews
5 Stars
35
4 Stars
2
3 Stars
2
2 Stars
2
1 Star
0
92%of customers recommend this product. 
(
35 out of 38
)
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Customer Reviews for Thule - Aion Travel Backpack 28L - Black
Customer Rating
5 out of 5
5
Amazingly spacious
on August 10, 2025
Posted by: Sidd
from State College
Gender:Male
Verified Purchase:Yes
I bought this last month and did not expect it to be this good. The bag is super spacious for carrying everything that I need for my college and gym, including laptop, change of clothes, shoes and my meals for the day. A lot of other bags in this segment do not have an outside bottle holder, but this one does. The build quality is simply superb. I'm so happy I bought this.
I would recommend this to a friend!
Written by a customer while visiting thule-us-ca
Customer Rating
5 out of 5
5
Excellent use of space / compartments
on October 22, 2025
Posted by: BrianOD
from Long Island New York
Gender:Male
Verified Purchase:Yes
I carry a backpack 6 days a week due to my commute. Typically go through a bag every 3 years. This is my first Thule Backpack and I love it. It will also double as a great carryon bag.
I would recommend this to a friend!
Written by a customer while visiting thule-us-ca
Customer Rating
3 out of 5
3
Not for short people
on January 28, 2026
Posted by: Petite woman
from Texas
Gender:Female
Verified Purchase:Yes
Sadly, the pack was not adjustable to my petite frame - 5'3", short torso, slim. I'd chosen it because I could add a waist belt in the form of the fanny pack AND there is a luggage sleeve. However, the "sling" fanny pack is challenging to take in and out of its sleeve - so you'd end up just keeping it there permanently which is wasteful for such an expensive add-on. I was hoping you could slide it around and use it while wearing or at least pull it off to wear while on the plane. It also adds a ton of bulk and weight to an already bulky awkward pack. Also, using the waist belt lifted the pack about 5" above my shoulders with the shoulder straps pulled as tight as possible. I realize someone my size should be seeking out womens or even teen backpacks, but there are no other options with both a waist belt and a luggage sleeve. I wouldn't purchase this if you're <5'8" or have narrow shoulders or a short torso. If you're not, it's a good quality backpack. The back isn't ridged and uncomfortable like other internal frame bags. The straps are wide and flexible.
No, I would not recommend this to a friend.
Written by a customer while visiting thule-us-ca
Customer Rating
5 out of 5
5
Thoughtfully Constructed
on February 11, 2026
Posted by: Rmt619
Gender:Male
Verified Purchase:Yes
This is exactly what I’ve been looking for.
Very thoughtfully constructed with both traveling and everyday use. Big side pocket for water bottles, perfectly placed zipper compartments - like for passports, wallets that is easily accessible. The strap on the back to slip over the handle of luggage is a plus.
I would recommend this to a friend!
Written by a customer while visiting thule-us-ca
Customer Rating
5 out of 5
5
Best travel backpack
on February 28, 2023
Posted by: Big Al
from Michigan
Verified Purchase:Yes
I've been using the Thule Aion Backpack for a few weeks now. I purchased this for international travel and wanted a bag with all these features and the ability to fit under the plane seat. Currently I am using it for every day work travel and it has not disappointed. The backpack is comfortable, functional and I have no worries about it. I am glad I did the research and this bag has all the features that any traveler would want and the bonus of it being comfortable to carry. Hands down the best backpack I have purchased.
I would recommend this to a friend!
Written by a customer while visiting thule-us-ca
Customer Rating
5 out of 5
5
The Perfect Backpack (for me)
on January 12, 2023
Posted by: Tom P
from Chicago, IL
Verified Purchase:Yes
Love this backpack as it checks all the boxes of what I was looking for:
-padded laptop compartment, easily accessible
-looks good and high-quality build
-spacious interior with enough room to be an overnighter, but small enough to be a daily carry - the expansion zipper really helps strike this balance.
-comfortable/ergonomic
-expandable water bottle pocket
-well sized/appointed accessories pocket
I would recommend this to a friend!
Written by a customer while visiting thule-us-ca
Customer Rating
5 out of 5
5
LOVE this versatile backpack!
on March 15, 2024
Posted by: ArianneJ
from Boise Idaho
Gender:Female
It is so comfortable on my shoulders and back - it was easy for me to carry along our recent adventures! The different pockets also made it easy to stay organized while traveling, which I love. So happy with this bag!
I would recommend this to a friend!
Written by a customer while visiting thule-us-ca
Customer Rating
5 out of 5
5
Awesome features!
on May 20, 2022
Posted by: Jacezara
from College Station, TX
[This review was collected as part of a promotion.] This travel backpack by Thule is all the rave! My family and I take a lot of day trips so this backpack has been a lifesaver! There are quite a bit of of pockets and compartments to keep everything organized. It definitely holds a lot of stuff! The straps are super comfortable and padded so wearing it for a long period of time is no problem at all. The material of the bag is very durable and easy to wipe clean. I have enjoyed taking this bag with us everywhere. It is really all we need to pack up and enjoy the day out.
I would recommend this to a friend!
Written by a customer while visiting thule-us-ca
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