Lo & Sons Hakuba vs Tom Bihn Brain Bag
The Lo & Sons Hakuba is 35.5L and 1.27kg2.8lb; the Tom Bihn Brain Bag is 36L and 1.3kg2.9lb. The Lo & Sons Hakuba is 0.03kg0.1lb lighter. The Lo & Sons Hakuba costs $57 less. The Lo & Sons Hakuba fits the carry-on limit of 35 of 36 major airlines and the Tom Bihn Brain Bag fits 24; under the seat, 0 and 0 of 26.
| Spec | Lo & Sons Hakuba | Tom Bihn Brain Bag |
|---|---|---|
| Price | $198Best | $255 |
| Volume | 35.5L | 36L |
| Weight | 1.27kg2.8lbBest | 1.3kg2.9lb |
| Carry-on compliance | 97%Best | 67% |
| Personal-item compliance | 0% | 0% |
| Dimensions | 54.6×33×19.7cm21.5×13×8in | 46×36×23cm18×14×9in |
| Laptop | 15" | no laptop sleeve |
| Compartments | n/a | 5 |
| Bottle pockets | 1 | 2 |
| Compression straps | n/a | 2 |
| Opening | n/a | Panel access, panel (dual zip) |
| Warranty | 1 year | Lifetime |
| Organizer | Removable | Removable |
| Shoe compartment | Yes | No |
| Hydration sleeve | No | No |
| Frame sheet | No | No |
| Water-resistant | Yes | No |
| Rain cover | No | No |
| MOLLE | No | No |
| Hip belt | No | Yes |
| Sternum strap | No | Yes |
| Load lifters | No | No |
| Shoulder strap | No | Yes |
| Luggage pass-through | Yes | No |
| Camera compartment | No | No |
| Material | 600D recycled polyester, water resistant, water-resistant laptop zippers, memory foam straps | Ballistic nylon exterior (bluesign-certified, default Aubergine Ballistic), 210d Cerylon ripstop interior (bluesign-certified) |
| Last checked | 2026-10 | 2026-09 |
Where their airline fit differs
| Airline | Limit | Lo & Sons Hakuba | Tom Bihn Brain Bag |
|---|---|---|---|
| Air Arabia | Carry-on | Fits | Too big |
| Air France | Carry-on | Fits | Too big |
| Air India | Carry-on | Fits | Too big |
| Avianca | Carry-on | Fits | Too big |
| Emirates | Carry-on | Fits | Too big |
| Gol Linhas Aereas | Carry-on | Fits | Too big |
| IndiGo | Carry-on | Fits | Too big |
| KLM | Carry-on | Fits | Too big |
| LATAM Airlines | Carry-on | Fits | Too big |
| Qatar Airways | Carry-on | Too big | Fits |
| Ryanair | Carry-on | Fits | Too big |
| United Airlines | 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.