ALPAKA Bravo Backpack (23L) vs Tom Bihn Adept
The ALPAKA Bravo Backpack (23L) is 23L and 1.2kg2.6lb; the Tom Bihn Adept is 23.6L and 1.18kg2.6lb. The Tom Bihn Adept is 0.02kg0lb lighter. The ALPAKA Bravo Backpack (23L) costs $105 less. The ALPAKA Bravo Backpack (23L) fits the carry-on limit of 36 of 36 major airlines and the Tom Bihn Adept fits 31; under the seat, 0 and 0 of 26.
| Spec | ALPAKA Bravo Backpack (23L) | Tom Bihn Adept |
|---|---|---|
| Price | $175Best | $280 |
| Volume | 23L | 23.6L |
| Expands to | n/a | 26.5L |
| Weight | 1.2kg2.6lb | 1.18kg2.6lbBest |
| Carry-on compliance | 100%Best | 86% |
| Personal-item compliance | 0% | 0% |
| Dimensions | 47×30×18cm18.5×12×7in | 46.5×32×22.5cm18.5×12.5×9in |
| Laptop | 16" | 16" |
| Bottle pockets | 2 | 1 |
| Opening | zip main compartment | Roll-top, Roll-top with magnetic buckle plus horseshoe front zip |
| Warranty | Lifetime | Lifetime |
| Organizer | Yes | No |
| Shoe compartment | No | No |
| Hydration sleeve | No | No |
| Frame sheet | No | Insert sold separately |
| Water-resistant | Yes | No |
| Rain cover | No | No |
| MOLLE | No | No |
| Hip belt | No | Removable |
| Sternum strap | No | No |
| Load lifters | No | Yes |
| Shoulder strap | No | No |
| Luggage pass-through | Yes | Yes |
| Camera compartment | No | No |
| Material | Axoflux 400D ripstop nylon exterior; 150D X-Grid ripstop polyester interior | 420d UHMWPE/nylon Spectron ripstop exterior, 210d Cerylon interior (bluesign certified), 420d ballistic nylon lower back, closed-cell foam back panel |
| Last checked | 2026-09 | 2026-09 |
Where their airline fit differs
| Airline | Limit | ALPAKA Bravo Backpack (23L) | Tom Bihn Adept |
|---|---|---|---|
| Air Arabia | Carry-on | Fits | Too big |
| Air India | Carry-on | Fits | Too big |
| Emirates | 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.