Timbuk2 Never Check Expandable Backpack vs. Piorama Delta
Two carry-on travel backpacks, compared spec for spec.
Timbuk2 Never Check Expandable Backpack
| Capacity | 25 L |
| Weight | 1.2 kg |
| Dimensions | 48×29×15 cm |
| Airline fit | 93% |
| Price | $210 |
Feature by feature
| Timbuk2 Never Check Expandable Backpack | Feature | Piorama Delta |
|---|---|---|
| Storage | ||
| 2 | Compression | 2 |
| 28L | Expanded Capacity | 42L |
| 0 | Opening | 1 |
| front | Passport | front |
| N | Passthrough | N |
| Carry | ||
| Y | Backpack | Y |
| N | Hip Belt | N |
| removable | Sternum Strap | removable |
| Inside | ||
| 15in | Laptop | 16in |
| 3 | Main Compartments | 3 |
| Y | Organizer | Y |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| 1, side | Water Bottle Holder | 2, side |
| Y | Water Resistant | Y |
| Material | |
| 900D Nylon | |
Key differences between the Timbuk2 Never Check Expandable Backpack and Piorama Delta
- Expansion: 28L when expanded on the Timbuk2 Never Check Expandable Backpack; 42L when expanded on the Piorama Delta.
- Opening: Other on the Timbuk2 Never Check Expandable Backpack; Clamshell on the Piorama Delta.
- Laptop sleeve: 15in on the Timbuk2 Never Check Expandable Backpack; 16in on the Piorama Delta.
- Water bottle pockets: 1, side on the Timbuk2 Never Check Expandable Backpack; 2, side on the Piorama Delta.
Both have: compression straps, passport pocket, backpack straps, sternum strap, 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. 174 accept both. 1 accept only the Timbuk2 Never Check Expandable Backpack, and 5 accept only the Piorama Delta.
Only the Timbuk2 Never Check Expandable Backpack fits
Air Niugini.
Only the Piorama Delta fits
Air Tahiti, American Eagle, easyJet, Gulf Air, Ravn Alaska.
Timbuk2 Never Check Expandable Backpack vs. Piorama Delta: which should you pack?
The Timbuk2 Never Check Expandable Backpack carries 9L more than the Piorama Delta (25L vs. 16L), while the Timbuk2 Never Check Expandable Backpack is the lighter pack at 1.2kg (vs. 1.2kg). For carry-on flexibility, the Piorama Delta fits 95% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Timbuk2 Never Check Expandable Backpack; if you want to travel lighter, the Timbuk2 Never Check Expandable Backpack is the better call.