![Thule Aion Backpack 28L](https://www.thule.com/-/p/G1kJmH9HlV1t_NyoObiZ4egNADzAr2ImuVJSUfvvXQA/rs:fit/f:avif/cb:1.4/q:80/plain/approved/std.lang.all/10/49/1411049.jpg)
Expands from a 28L daypack to a 32L travel backpack for 15% more packable space
![Thule Aion Backpack 28L](https://www.thule.com/-/p/1BGJhtSAv45_WcFReoEM6FrjY-3WKECcBezg-ZrEXGk/rs:fit/f:avif/cb:1.4/q:80/plain/approved/std.lang.all/53/26/1415326.jpg)
The easy-to-clean TPU divider keeps items organized and prevents odor, moisture, and dirt from spreading to the rest of the bag, it also tucks away when not in use
![Thule Aion Backpack 28L](https://www.thule.com/-/p/pgPEyMhmUFYEsZ2MVGaet-VIYZocMRdH64A9PbjdkXs/rs:fit/f:avif/cb:1.4/q:80/plain/approved/std.lang.all/10/50/1411050.jpg)
Zippered top pocket keeps small items secure, organized and within reach
![Thule Aion Backpack 28L](https://www.thule.com/-/p/OAsQtJ9j6ZFNhKz96V6D0o0G5X-PNIMDNcr7no-2Tqs/rs:fit/f:avif/cb:1.4/q:80/plain/approved/std.lang.all/10/51/1411051.jpg)
Compatible with the Thule Aion Sling Bag which doubles up as a supportive hip belt (sold separately)
![Thule Aion Backpack 28L](https://www.thule.com/-/p/X6jZqxb5Hgsnj9N6CPv-BHHOv0HSK578bxqkhOMpVUw/rs:fit/f:avif/cb:1.4/q:80/plain/approved/std.lang.all/10/52/1411052.jpg)
Quick-access external stash pocket helps store small items
![Thule Aion Backpack 28L](https://www.thule.com/-/p/IAT39bk3FxKCQ934MqDrvvlBWx7E1FSTLqcmUP47Ci4/rs:fit/f:avif/cb:1.4/q:80/plain/approved/std.lang.all/10/53/1411053.jpg)
Padded storage protects a 15.6″ PC/16″ MacBook and 12.9″ tablet
![Thule Aion Backpack 28L](https://www.thule.com/-/p/0jwpL9joNWMDv40SDjYOrDopV6aDuJ7h5B4cPGELpvQ/rs:fit/f:avif/cb:1.4/q:80/plain/approved/std.lang.all/10/54/1411054.jpg)
Pass-through panel allows you to secure the backpack to rolling luggage
![Thule Aion Backpack 28L](https://www.thule.com/-/p/DxFGM-fqU5bbV0GxDZFPGKzW7lzkVOvEB1JJendf8HI/rs:fit/f:avif/cb:1.4/q:80/plain/approved/std.lang.all/10/55/1411055.jpg)
Dedicated water bottle pocket keeps your bottle secure and within reach
Internal zippered pocket stores a phone, charger and other small items during travel
External daisy chain allows you to attach items to the bag
Outer shell fabric, lining, and mesh are made of 100% recycled polyester from recycled plastic bottles
The 600D waxed canvas shell fabric is highly durable and includes a water-resistant coating free of toxic PFCs that repels moisture, dirt, and stains
All Thule Aion products are bluesign® certified