STM Trilogy vs. STM Kings
Two carry-on travel backpacks, compared spec for spec.
Feature by feature
| STM Trilogy | Feature | STM Kings |
|---|---|---|
| Storage | ||
| N | Compression | N |
| None | Expanded Capacity | None |
| 4 | Opening | 4 |
| N | Passport | N |
| N | Passthrough | N |
| Carry | ||
| Y | Backpack | Y |
| N | Hip Belt | N |
| N | Sternum Strap | N |
| Inside | ||
| 15in | Laptop | 15in |
| 1 | Main Compartments | 2 |
| Y | Organizer | N |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| 2 | Water Bottle Holder | 2 |
| Y | Water Resistant | Y |
| Material | |
| 100% polyester | 100% polyester |
Key differences between the STM Trilogy and STM Kings
- Main compartments: 1 on the STM Trilogy; 2 on the STM Kings.
- Built-in organizer: Yes on the STM Trilogy; No on the STM Kings.
Both have: backpack straps, laptop sleeve, water bottle pockets, water resistant.
Which airlines take each bag as a carry-on
We checked both bags against the carry-on size limits of 189 airlines. 175 accept both. 3 accept only the STM Trilogy, and 0 accept only the STM Kings.
Only the STM Trilogy fits
American Eagle, easyJet, Ravn Alaska.
STM Trilogy vs. STM Kings: which should you pack?
The STM Trilogy carries 2L more than the STM Kings (24L vs. 22L), while the STM Trilogy is the lighter pack at 0.64kg (vs. 0.95kg). For carry-on flexibility, the STM Trilogy fits 94% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the STM Trilogy; if you want to travel lighter, the STM Trilogy is the better call.