STM Haven vs. STM Trilogy
Two carry-on travel backpacks, compared spec for spec.
Feature by feature
| STM Haven | Feature | STM Trilogy |
|---|---|---|
| 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 |
| 5 | Main Compartments | 1 |
| Y | Organizer | Y |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| N | Water Bottle Holder | 2 |
| Y | Water Resistant | Y |
| Material | |
| Polyester | 100% polyester |
Key differences between the STM Haven and STM Trilogy
- Main compartments: 5 on the STM Haven; 1 on the STM Trilogy.
- Water bottle pockets: No on the STM Haven; 2 on the STM Trilogy.
Both have: backpack straps, 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. 175 accept both. 1 accept only the STM Haven, and 3 accept only the STM Trilogy.
Only the STM Haven fits
Great Lakes Airlines.
Only the STM Trilogy fits
American Eagle, easyJet, Ravn Alaska.
STM Haven vs. STM Trilogy: which should you pack?
The STM Trilogy carries 4L more than the STM Haven (20L vs. 24L), while the STM Trilogy is the lighter pack at 0.64kg (vs. 0.9kg). 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.