ALPAKA Metro Backpack (12L) vs Lowepro Tahoe BP 150
The ALPAKA Metro Backpack (12L) is 12L and 0.8kg1.8lb; the Lowepro Tahoe BP 150 is 11L and 0.8kg1.8lb. They weigh the same. The Lowepro Tahoe BP 150 costs $36 less. The ALPAKA Metro Backpack (12L) fits the carry-on limit of 36 of 36 major airlines and the Lowepro Tahoe BP 150 fits 32; under the seat, 10 and 0 of 26.
| Spec | ALPAKA Metro Backpack (12L) | Lowepro Tahoe BP 150 |
|---|---|---|
| Price | $109 | $73Best |
| Volume | 12L | 11L |
| Weight | 0.8kg1.8lb | 0.8kg1.8lb |
| Carry-on compliance | 100%Best | 89% |
| Personal-item compliance | 38%Best | 0% |
| Dimensions | 42×25×15.5cm16.5×10×6in | 40.3×27.5×21.7cm16×11×8.5in |
| Laptop | 14" | no laptop sleeve |
| Compartments | 2 | n/a |
| Bottle pockets | n/a | 2 |
| Opening | wide-opening zip main compartment | n/a |
| Warranty | Lifetime | n/a |
| Organizer | Yes | No |
| Shoe compartment | No | No |
| Hydration sleeve | No | No |
| Frame sheet | No | No |
| Water-resistant | Yes | Yes |
| Rain cover | No | No |
| MOLLE | No | No |
| Hip belt | No | No |
| Sternum strap | No | No |
| Load lifters | No | No |
| Shoulder strap | No | No |
| Luggage pass-through | No | No |
| Camera compartment | No | Yes |
| Material | Axoflux 400D ripstop nylon exterior; Axoflux X-Grid 150D ripstop polyester interior; YKK AquaGuard zippers | nylon, polyester |
| Last checked | 2026-09 | 2026-09 |
Where their airline fit differs
| Airline | Limit | ALPAKA Metro Backpack (12L) | Lowepro Tahoe BP 150 |
|---|---|---|---|
| Air Arabia | Carry-on | Fits | Too big |
| Air Canada | Personal item | Fits | Too big |
| Air India | Carry-on | Fits | Too big |
| Allegiant Air | Personal item | Fits | Too big |
| American Airlines | Personal item | Fits | Too big |
| British Airways | Personal item | Fits | Too big |
| easyJet | Personal item | Fits | Too big |
| Frontier Airlines | Personal item | Fits | Too big |
| JetBlue Airways | Personal item | Fits | Too big |
| LATAM Airlines | Personal item | Fits | Too big |
| Ryanair | Carry-on | Fits | Too big |
| United Airlines | Personal item | Fits | Too big |
| Volaris | Personal item | 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.