Zpacks Bagger Ultra vs. Pakt Stash Packable Backpack 16L
Two carry-on travel backpacks, compared spec for spec.
Zpacks Bagger Ultra
| Capacity | 25 L |
| Weight | 0.3 kg |
| Dimensions | 46×28×14 cm |
| Airline fit | 95% |
| Price | $250 |
Feature by feature
| Zpacks Bagger Ultra | Feature | Pakt Stash Packable Backpack 16L |
|---|---|---|
| Storage | ||
| N | Compression | N |
| None | Expanded Capacity | None |
| 1 | Opening | 1 |
| top | Passport | |
| N | Passthrough | N |
| Carry | ||
| Y | Backpack | Y |
| removable, optional | Hip Belt | removable, optional |
| removable | Sternum Strap | removable |
| Inside | ||
| N | Laptop | 15in |
| 3 | Main Compartments | 3 |
| N | Organizer | N |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| 2, side | Water Bottle Holder | N |
| Y | Water Resistant | Y |
| Material | |
| 3.3oz/sqyd Ultra 100X, not coated with DWR or other chemicals and is PFAS free | 70D x 160D recycled nylon Tasland ripstop fabric PFAS-free durable water resistant coating |
Pakt Stash Packable Backpack 16L
| Capacity | 16 L |
| Weight | 0.4 kg |
| Dimensions | 43×26×12 cm |
| Airline fit | 96% |
| Price | $95 |
Key differences between the Zpacks Bagger Ultra and Pakt Stash Packable Backpack 16L
- Laptop sleeve: No on the Zpacks Bagger Ultra; 15in on the Pakt Stash Packable Backpack 16L.
- Water bottle pockets: 2, side on the Zpacks Bagger Ultra; No on the Pakt Stash Packable Backpack 16L.
Both have: backpack straps, hip belt, sternum strap, water resistant.
Which airlines take each bag as a carry-on
We checked both bags against the carry-on size limits of 189 airlines. 179 accept both. 0 accept only the Zpacks Bagger Ultra, and 2 accept only the Pakt Stash Packable Backpack 16L.
Only the Pakt Stash Packable Backpack 16L fits
Air Tahiti, Gulf Air.
Zpacks Bagger Ultra vs. Pakt Stash Packable Backpack 16L: which should you pack?
The Zpacks Bagger Ultra carries 9L more than the Pakt Stash Packable Backpack 16L (25L vs. 16L), while the Zpacks Bagger Ultra is the lighter pack at 0.3kg (vs. 0.4kg). For carry-on flexibility, the Pakt Stash Packable Backpack 16L fits 96% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Zpacks Bagger Ultra; if you want to travel lighter, the Zpacks Bagger Ultra is the better call.