Deuter Aviant Access 50 SL vs. Kathmandu Katabatic 28L Pack
Two carry-on travel backpacks, compared spec for spec.
Deuter Aviant Access 50 SL
| Capacity | 50 L |
| Weight | 1.58 kg |
| Dimensions | 62×34×25 cm |
| Airline fit | 2% |
| Price | $177 |
Feature by feature
| Deuter Aviant Access 50 SL | Feature | Kathmandu Katabatic 28L Pack |
|---|---|---|
| Storage | ||
| Y | Compression | Y |
| None | Expanded Capacity | None |
| 4 | Opening | 4 |
| N | Passport | N |
| N | Passthrough | N |
| Carry | ||
| hideable | Backpack | Y |
| Y | Hip Belt | Y |
| Y | Sternum Strap | Y |
| Inside | ||
| N | Laptop | N |
| 1 | Main Compartments | 1 |
| Y | Organizer | Y |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | optional |
| 1 | Water Bottle Holder | 2 |
| Y | Water Resistant | Y |
| Material | |
| 600D PES, 420D PA | 100% Polyester |
Kathmandu Katabatic 28L Pack
| Capacity | 28 L |
| Weight | 0.906 kg |
| Dimensions | 52×29×28 cm |
| Airline fit | 14% |
| Price | $120 |
Key differences between the Deuter Aviant Access 50 SL and Kathmandu Katabatic 28L Pack
- Backpack straps: Hideable on the Deuter Aviant Access 50 SL; Yes on the Kathmandu Katabatic 28L Pack.
- Rain cover: No on the Deuter Aviant Access 50 SL; Optional on the Kathmandu Katabatic 28L Pack.
- Water bottle pockets: 1 on the Deuter Aviant Access 50 SL; 2 on the Kathmandu Katabatic 28L Pack.
Both have: compression straps, hip belt, 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. 3 accept both. 0 accept only the Deuter Aviant Access 50 SL, and 24 accept only the Kathmandu Katabatic 28L Pack.
Only the Kathmandu Katabatic 28L Pack fits
Adria Airways, Air Europa, Air Koryo, Air New Zealand, Air Tahiti Nui, Azul Linhas, Caribbean Airlines, China Southern, Croatia Air, Cubana de Aviacion, Hainan Airlines, Korean Air, Philippine Airlines, Royal Air Morocco, Saudi Arabian Airlines, Sichuan Airlines, SilkAir, Silver Airways, Singapore Airlines, SpiceJet, Sun Country, TAAG Angola, TAM Airlines, Ural Airlines.
Deuter Aviant Access 50 SL vs. Kathmandu Katabatic 28L Pack: which should you pack?
The Deuter Aviant Access 50 SL carries 22L more than the Kathmandu Katabatic 28L Pack (50L vs. 28L), while the Kathmandu Katabatic 28L Pack is the lighter pack at 0.906kg (vs. 1.58kg). For carry-on flexibility, the Kathmandu Katabatic 28L Pack fits 14% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Deuter Aviant Access 50 SL; if you want to travel lighter, the Kathmandu Katabatic 28L Pack is the better call.