Thule Aion 28L vs. Solgaard Atlas Rolltop Backpack
Two carry-on travel backpacks, compared spec for spec.
Feature by feature
| Thule Aion 28L | Feature | Solgaard Atlas Rolltop Backpack |
|---|---|---|
| Storage | ||
| N | Compression | 2 |
| 32L | Expanded Capacity | 31L |
| 1 | Opening | 1 |
| top | Passport | top, back |
| Y | Passthrough | Y |
| Carry | ||
| Y | Backpack | Y |
| optional | Hip Belt | optional, removable |
| Y | Sternum Strap | Y |
| Inside | ||
| 16in | Laptop | 16in |
| 4 | Main Compartments | 6 |
| Y | Organizer | Y |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| 1, side | Water Bottle Holder | 2, side |
| Y | Water Resistant | Y |
| Material | |
| Waxed P600 polyester canvas | Shore-Tex |
Solgaard Atlas Rolltop Backpack
| Capacity | 27 L |
| Weight | 1.7 kg |
| Dimensions | 48×31×18 cm |
| Airline fit | 92% |
| Price | $275 |
Key differences between the Thule Aion 28L and Solgaard Atlas Rolltop Backpack
- Compression straps: No on the Thule Aion 28L; 2 on the Solgaard Atlas Rolltop Backpack.
- Expansion: 32L when expanded on the Thule Aion 28L; 31L when expanded on the Solgaard Atlas Rolltop Backpack.
- Passport pocket: Top on the Thule Aion 28L; Top, back on the Solgaard Atlas Rolltop Backpack.
- Hip belt: Optional on the Thule Aion 28L; Optional, removable on the Solgaard Atlas Rolltop Backpack.
- Main compartments: 4 on the Thule Aion 28L; 6 on the Solgaard Atlas Rolltop Backpack.
- Water bottle pockets: 1, side on the Thule Aion 28L; 2, side on the Solgaard Atlas Rolltop Backpack.
Both have: luggage passthrough, backpack straps, sternum strap, laptop sleeve, built-in organizer, water resistant.
Which airlines take each bag as a carry-on
We checked both bags against the carry-on size limits of 189 airlines. 138 accept both. 1 accept only the Thule Aion 28L, and 36 accept only the Solgaard Atlas Rolltop Backpack.
Only the Thule Aion 28L fits
Great Lakes Airlines.
Only the Solgaard Atlas Rolltop Backpack fits
Air Baltic, Air China, Air Malta, Air Serbia, Air Seychelles, Asiana Airlines, ATA Airlines, Belavia, Blue Air, Bulgaria Air, China Eastern, Emirates Airlines, Enter Air, flybe, Icelandair, InselAir, Juneyao Airlines, Liat Airlines, Luxair, Meridiana Fly, Nordwind Airlines, Pakistan International, Royal Brunei Airlines, Ryanair, S7, Shandong Airlines, Shenzhen Airlines, Sun Express, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), TUI, Ukraine International, VIM Airlines (Closed), Volotea, Xiamen.
Thule Aion 28L vs. Solgaard Atlas Rolltop Backpack: which should you pack?
The Thule Aion 28L carries 1L more than the Solgaard Atlas Rolltop Backpack (28L vs. 27L), while the Thule Aion 28L is the lighter pack at 1.2kg (vs. 1.7kg). For carry-on flexibility, the Solgaard Atlas Rolltop Backpack fits 92% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Thule Aion 28L; if you want to travel lighter, the Thule Aion 28L is the better call.