ALPAKA Traverse Backpack (38L) vs Shimoda Action X40 v2
The ALPAKA Traverse Backpack (38L) is 38L and 2.1kg4.6lb; the Shimoda Action X40 v2 is 40L and 2.1kg4.6lb. They weigh the same. The ALPAKA Traverse Backpack (38L) costs $70.94999999999999 less. The ALPAKA Traverse Backpack (38L) fits the carry-on limit of 36 of 36 major airlines and the Shimoda Action X40 v2 fits 35; under the seat, 0 and 0 of 26.
| Spec | ALPAKA Traverse Backpack (38L) | Shimoda Action X40 v2 |
|---|---|---|
| Price | $269Best | $339.95 |
| Volume | 38L | 40L |
| Weight | 2.1kg4.6lb | 2.1kg4.6lb |
| Carry-on compliance | 100%Best | 97% |
| Personal-item compliance | 0% | 0% |
| Dimensions | 50×31×20cm19.5×12×8in | 53×30×20cm21×12×8in |
| Laptop | 16" | 16" |
| Bottle pockets | 1 | 2 |
| Opening | Clamshell | Roll-top, roll top + side access |
| Warranty | Lifetime | 5 years |
| Organizer | Yes | No |
| Shoe compartment | No | No |
| Hydration sleeve | No | No |
| Frame sheet | No | No |
| Water-resistant | Yes | No |
| Rain cover | No | Yes |
| MOLLE | No | No |
| Hip belt | Yes | Removable |
| Sternum strap | Yes | No |
| Load lifters | No | No |
| Shoulder strap | No | No |
| Luggage pass-through | Yes | Yes |
| Camera compartment | No | Insert sold separately |
| Material | Axoflux 400D ripstop nylon exterior; Axoflux 300D honeycomb ripstop polyester interior | Nylon, Carbonate PU-coated |
| Last checked | 2026-09 | 2026-09 |
Where their airline fit differs
| Airline | Limit | ALPAKA Traverse Backpack (38L) | Shimoda Action X40 v2 |
|---|---|---|---|
| Qatar Airways | 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.