STM Saga vs. STM Trilogy
Two carry-on travel backpacks, compared spec for spec.
Feature by feature
| STM Saga | Feature | STM Trilogy |
|---|---|---|
| Storage | ||
| N | Compression | N |
| None | Expanded Capacity | None |
| 3 | Opening | 4 |
| N | Passport | N |
| N | Passthrough | N |
| Carry | ||
| Y | Backpack | Y |
| N | Hip Belt | N |
| N | Sternum Strap | N |
| Inside | ||
| N | Laptop | 15in |
| 1 | Main Compartments | 1 |
| Y | Organizer | Y |
| 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 Saga and STM Trilogy
- Opening: Top flap on the STM Saga; Top zip on the STM Trilogy.
- Laptop sleeve: No on the STM Saga; 15in on the STM Trilogy.
Both have: backpack straps, built-in organizer, 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. 178 accept both. 2 accept only the STM Saga, and 0 accept only the STM Trilogy.
Only the STM Saga fits
Air Tahiti, Gulf Air.
STM Saga vs. STM Trilogy: which should you pack?
The STM Trilogy carries 4L more than the STM Saga (20L vs. 24L), while the STM Saga is the lighter pack at 0.51kg (vs. 0.64kg). For carry-on flexibility, the STM Saga fits 95% 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 Saga is the better call.