Tortuga Expandable Backpack vs. Ministry of Supply Boston One
Two carry-on travel backpacks, compared spec for spec.
Tortuga Expandable Backpack
| Capacity | 27 L |
| Weight | 1.6 kg |
| Dimensions | 49×32×18 cm |
| Airline fit | 91% |
| Price | $250 |
Feature by feature
| Tortuga Expandable Backpack | Feature | Ministry of Supply Boston One |
|---|---|---|
| Storage | ||
| 4 | Compression | N |
| None | Expanded Capacity | None |
| 1 | Opening | 1 |
| top, front | Passport | top |
| Y | Passthrough | Y |
| Carry | ||
| Y, hideable | Backpack | hideable |
| Y, removable | Hip Belt | N |
| Y | Sternum Strap | Y |
| Inside | ||
| 16in | Laptop | 16in |
| 4 | Main Compartments | 4 |
| N | Organizer | N |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| 1, side | Water Bottle Holder | 1, internal |
| Y | Water Resistant | Y |
| Material | |
| 630D CORDURA | 900D 100% polyester shell |
Ministry of Supply Boston One
| Capacity | 28 L |
| Weight | 1.1 kg |
| Dimensions | 47×30×20 cm |
| Airline fit | 93% |
| Price | $250 |
Key differences between the Tortuga Expandable Backpack and Ministry of Supply Boston One
- Compression straps: 4 on the Tortuga Expandable Backpack; No on the Ministry of Supply Boston One.
- Passport pocket: Top, front on the Tortuga Expandable Backpack; Top on the Ministry of Supply Boston One.
- Backpack straps: Y, hideable on the Tortuga Expandable Backpack; Hideable on the Ministry of Supply Boston One.
- Hip belt: Y, removable on the Tortuga Expandable Backpack; No on the Ministry of Supply Boston One.
- Water bottle pockets: 1, side on the Tortuga Expandable Backpack; 1, internal on the Ministry of Supply Boston One.
Both have: luggage passthrough, sternum strap, laptop sleeve, water resistant.
Which airlines take each bag as a carry-on
We checked both bags against the carry-on size limits of 189 airlines. 172 accept both. 0 accept only the Tortuga Expandable Backpack, and 3 accept only the Ministry of Supply Boston One.
Only the Ministry of Supply Boston One fits
Air Niugini, Regional Express, Virgin Australia.
Tortuga Expandable Backpack vs. Ministry of Supply Boston One: which should you pack?
The Ministry of Supply Boston One carries 1L more than the Tortuga Expandable Backpack (27L vs. 28L), while the Ministry of Supply Boston One is the lighter pack at 1.1kg (vs. 1.6kg). For carry-on flexibility, the Ministry of Supply Boston One fits 93% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Ministry of Supply Boston One; if you want to travel lighter, the Ministry of Supply Boston One is the better call.