STM Haven vs. Uniqlo 3Way Bag
Two carry-on travel backpacks, compared spec for spec.
Feature by feature
| STM Haven | Feature | Uniqlo 3Way Bag |
|---|---|---|
| Storage | ||
| N | Compression | N |
| None | Expanded Capacity | None |
| 4 | Opening | 0 |
| N | Passport | N |
| N | Passthrough | N |
| Carry | ||
| Y | Backpack | Y |
| N | Hip Belt | N |
| N | Sternum Strap | N |
| Inside | ||
| 15in | Laptop | N |
| 5 | Main Compartments | 1 |
| Y | Organizer | Y |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| N | Water Bottle Holder | N |
| Y | Water Resistant | Y |
| Material | |
| Polyester | Polyester |
Uniqlo 3Way Bag
| Capacity | 4 L |
| Weight | 1 kg |
| Dimensions | 17.7×12.2×4.7 cm |
| Airline fit | 100% |
| Price | $40 |
Key differences between the STM Haven and Uniqlo 3Way Bag
- Opening: Top zip on the STM Haven; Other on the Uniqlo 3Way Bag.
- Laptop sleeve: 15in on the STM Haven; No on the Uniqlo 3Way Bag.
- Main compartments: 5 on the STM Haven; 1 on the Uniqlo 3Way Bag.
Both have: backpack straps, 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. 176 accept both. 0 accept only the STM Haven, and 13 accept only the Uniqlo 3Way Bag.
Only the Uniqlo 3Way Bag fits
Air Tahiti, American Eagle, easyJet, Gulf Air, LC Perú, Linea Aerea Amaszonas, Lion Air Group, Ravn Alaska, Spring Airlines, Tianjin Airlines (E145), VivaColombia, Volaris, Wizz Air.
STM Haven vs. Uniqlo 3Way Bag: which should you pack?
The STM Haven carries 16L more than the Uniqlo 3Way Bag (20L vs. 4L), while the STM Haven is the lighter pack at 0.9kg (vs. 1kg). For carry-on flexibility, the Uniqlo 3Way Bag fits 100% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the STM Haven; if you want to travel lighter, the STM Haven is the better call.