Attitude Supply ATD2 Backpack vs. HEIMPLANET Travel Pack 28
Two carry-on travel backpacks, compared spec for spec.
Attitude Supply ATD2 Backpack
| Capacity | 18 L |
| Weight | 1.3 kg |
| Dimensions | 45×25×19 cm |
| Airline fit | 96% |
| Price | $475 |
Feature by feature
| Attitude Supply ATD2 Backpack | Feature | HEIMPLANET Travel Pack 28 |
|---|---|---|
| Storage | ||
| 4 | Compression | 2 |
| 31L | Expanded Capacity | None |
| 1 | Opening | 1 |
| front | Passport | top |
| Y | Passthrough | Y |
| Carry | ||
| removable | Backpack | Y |
| removable | Hip Belt | removable |
| removable | Sternum Strap | removable |
| Inside | ||
| 15in | Laptop | 15in |
| 2 | Main Compartments | 4 |
| Y | Organizer | Y |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| 2, side | Water Bottle Holder | 1, side |
| Y | Water Resistant | Y |
| Material | |
| Challenge Sailcloth Ecopak® EPLX600 | DYECOSHELL |
HEIMPLANET Travel Pack 28
| Capacity | 28 L |
| Weight | 1.5 kg |
| Dimensions | 50×32×19 cm |
| Airline fit | 91% |
| Price | $217 |
Key differences between the Attitude Supply ATD2 Backpack and HEIMPLANET Travel Pack 28
- Compression straps: 4 on the Attitude Supply ATD2 Backpack; 2 on the HEIMPLANET Travel Pack 28.
- Passport pocket: Front on the Attitude Supply ATD2 Backpack; Top on the HEIMPLANET Travel Pack 28.
- Backpack straps: Removable on the Attitude Supply ATD2 Backpack; Yes on the HEIMPLANET Travel Pack 28.
- Main compartments: 2 on the Attitude Supply ATD2 Backpack; 4 on the HEIMPLANET Travel Pack 28.
- Water bottle pockets: 2, side on the Attitude Supply ATD2 Backpack; 1, side on the HEIMPLANET Travel Pack 28.
Both have: luggage passthrough, hip belt, sternum strap, 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. 172 accept both. 9 accept only the Attitude Supply ATD2 Backpack, and 0 accept only the HEIMPLANET Travel Pack 28.
Only the Attitude Supply ATD2 Backpack fits
Air Niugini, Air Tahiti, American Eagle, easyJet, Great Lakes Airlines, Gulf Air, Ravn Alaska, Regional Express, Virgin Australia.
Attitude Supply ATD2 Backpack vs. HEIMPLANET Travel Pack 28: which should you pack?
The HEIMPLANET Travel Pack 28 carries 10L more than the Attitude Supply ATD2 Backpack (18L vs. 28L), while the Attitude Supply ATD2 Backpack is the lighter pack at 1.3kg (vs. 1.5kg). For carry-on flexibility, the Attitude Supply ATD2 Backpack fits 96% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the HEIMPLANET Travel Pack 28; if you want to travel lighter, the Attitude Supply ATD2 Backpack is the better call.