Harber London Leather Backpack vs Lowepro ProTactic BP 350 AW III
The Harber London Leather Backpack is 12L and 2.6kg5.7lb; the Lowepro ProTactic BP 350 AW III is 17L and 2.3kg5.1lb. The Lowepro ProTactic BP 350 AW III is 0.3kg0.7lb lighter. The Lowepro ProTactic BP 350 AW III costs $670 less. The Harber London Leather Backpack fits the carry-on limit of 36 of 36 major airlines and the Lowepro ProTactic BP 350 AW III fits 36; under the seat, 22 and 0 of 26.
| Spec | Harber London Leather Backpack | Lowepro ProTactic BP 350 AW III |
|---|---|---|
| Price | $949 | $279Best |
| Volume | 12L | 17L |
| Weight | 2.6kg5.7lb | 2.3kg5.1lbBest |
| Carry-on compliance | 100% | 100% |
| Personal-item compliance | 85%Best | 0% |
| Dimensions | 40×30×10cm15.5×12×4in | 47×31.5×19cm18.5×12.5×7.5in |
| Laptop | 16"Best | 14" |
| Bottle pockets | n/a | 2 |
| Opening | full-zip opening | Panel access, top, dual side and full back panel |
| Warranty | 1 year | n/a |
| Organizer | Yes | No |
| Shoe compartment | No | No |
| Hydration sleeve | No | No |
| Frame sheet | No | No |
| Water-resistant | No | No |
| Rain cover | No | Yes |
| MOLLE | No | No |
| Hip belt | No | Removable |
| Sternum strap | Yes | No |
| Load lifters | No | No |
| Shoulder strap | No | No |
| Luggage pass-through | Yes | No |
| Camera compartment | No | Yes |
| Bike-ready | No | No |
| Material | Full-grain leather, microsuede lining | Recycled 210D nylon ripstop, 600D and 900D polyester |
| Last checked | 2026-10 | 2026-09 |
Where their airline fit differs
| Airline | Limit | Harber London Leather Backpack | Lowepro ProTactic BP 350 AW III |
|---|---|---|---|
| Air Canada | Personal item | Fits | Too big |
| Air France | Personal item | Fits | Too big |
| AirAsia | Personal item | Fits | Too big |
| Allegiant Air | Personal item | Fits | Too big |
| American Airlines | Personal item | Fits | Too big |
| ANA (All Nippon Airways) | 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 |
| KLM | Personal item | Fits | Too big |
| LATAM Airlines | Personal item | Fits | Too big |
| Lufthansa | Personal item | Fits | Too big |
| Norwegian Air Shuttle | Personal item | Fits | Too big |
| Ryanair | Personal item | Fits | Too big |
| SAS | Personal item | Fits | Too big |
| Singapore Airlines | Personal item | Fits | Too big |
| Turkish Airlines | Personal item | Fits | Too big |
| Volaris | Personal item | Fits | Too big |
| Vueling | Personal item | Fits | Too big |
| WestJet | Personal item | Fits | Too big |
| Wizz Air | Personal item | 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.