Harber London Leather Roll Top Backpack vs Think Tank Walker Pro 16L
The Harber London Leather Roll Top Backpack is 15L and 1.55kg3.4lb; the Think Tank Walker Pro 16L is 16L and 1.43kg3.2lb. The Think Tank Walker Pro 16L is 0.12kg0.3lb lighter. The Think Tank Walker Pro 16L costs $729.25 less. The Harber London Leather Roll Top Backpack fits the carry-on limit of 36 of 36 major airlines and the Think Tank Walker Pro 16L fits 36; under the seat, 20 and 7 of 26.
| Spec | Harber London Leather Roll Top Backpack | Think Tank Walker Pro 16L |
|---|---|---|
| Price | $959 | $229.75Best |
| Volume | 15L | 16L |
| Expands to | 18L | n/a |
| Weight | 1.55kg3.4lb | 1.43kg3.2lbBest |
| Carry-on compliance | 100% | 100% |
| Personal-item compliance | 77%Best | 27% |
| Dimensions | 39×29×13.5cm15.5×11.5×5.5in | 45×29.8×19.7cm17.5×11.5×8in |
| Laptop | 16"Best | 14" |
| Bottle pockets | 1 | 2 |
| Opening | Roll-top, roll top, expands from 15 L to 18 L | Panel access, front panel |
| Warranty | 1 year | Lifetime |
| Organizer | Removable | Yes |
| 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 | Yes |
| Camera compartment | No | Yes |
| Bike-ready | No | No |
| Material | Full-grain leather, suede lining | Ballistic and ripstop nylon |
| Last checked | 2026-10 | 2026-09 |
Where their airline fit differs
| Airline | Limit | Harber London Leather Roll Top Backpack | Think Tank Walker Pro 16L |
|---|---|---|---|
| Air Canada | Personal item | Fits | Too big |
| Air France | Personal item | Fits | Too big |
| ANA (All Nippon Airways) | Personal item | Fits | Too big |
| JetBlue Airways | Personal item | Fits | Too big |
| KLM | 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 |
| Turkish Airlines | 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.