ALPAKA Traverse Backpack (38L) vs DEFY The Rover Backpack
The ALPAKA Traverse Backpack (38L) is 38L and 2.1kg4.6lb; the DEFY The Rover Backpack is 40L and 2.04kg4.5lb. The DEFY The Rover Backpack is 0.06kg0.1lb lighter. The ALPAKA Traverse Backpack (38L) costs $119 less. The ALPAKA Traverse Backpack (38L) fits the carry-on limit of 36 of 36 major airlines and the DEFY The Rover Backpack fits 30; under the seat, 0 and 0 of 26.
| Spec | ALPAKA Traverse Backpack (38L) | DEFY The Rover Backpack |
|---|---|---|
| Price | $269Best | $388 |
| Volume | 38L | 40L |
| Weight | 2.1kg4.6lb | 2.04kg4.5lbBest |
| Carry-on compliance | 100%Best | 83% |
| Personal-item compliance | 0% | 0% |
| Dimensions | 50×31×20cm19.5×12×8in | 33×50.8×22.9cm13×20×9in |
| Laptop | 16"Best | 15" |
| Bottle pockets | 1 | n/a |
| Opening | Clamshell | two oversized YKK AquaGuard zips across the top, front and back zip pockets |
| Warranty | Lifetime | No fixed term |
| Organizer | Yes | Yes |
| Shoe compartment | No | No |
| Hydration sleeve | No | No |
| Frame sheet | No | No |
| Water-resistant | Yes | No |
| Rain cover | No | No |
| MOLLE | No | Yes |
| Hip belt | Yes | No |
| Sternum strap | Yes | Insert sold separately |
| Load lifters | No | No |
| Shoulder strap | No | Removable |
| Luggage pass-through | Yes | Yes |
| Camera compartment | No | No |
| Material | Axoflux 400D ripstop nylon exterior; Axoflux 300D honeycomb ripstop polyester interior | 1050D MIL-SPEC ballistic nylon exterior, 1000D water-resistant silver CORDURA lining |
| Last checked | 2026-09 | 2026-10 |
Where their airline fit differs
| Airline | Limit | ALPAKA Traverse Backpack (38L) | DEFY The Rover Backpack |
|---|---|---|---|
| Air Arabia | Carry-on | Fits | Too big |
| Air India | Carry-on | Fits | Too big |
| Emirates | Carry-on | Fits | Too big |
| Qatar Airways | Carry-on | Fits | Too big |
| Ryanair | Carry-on | Fits | Too big |
| Vueling | Carry-on | Fits | Too big |
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Specs come from each brand's own product page. Fit uses listed dimensions in any orientation. How we score carry-on fit.