Gregory Miko 30 vs Tom Bihn Techonaut 30
The Gregory Miko 30 is 30L and 0.97kg2.1lb; the Tom Bihn Techonaut 30 is 30L and 1kg2.2lb. The Gregory Miko 30 is 0.03kg0.1lb lighter. The Gregory Miko 30 fits the carry-on limit of 30 of 36 major airlines and the Tom Bihn Techonaut 30 fits 36; under the seat, 0 and 0 of 26.
| Spec | Gregory Miko 30 | Tom Bihn Techonaut 30 |
|---|---|---|
| Price | n/a | $415 |
| Volume | 30L | 30L |
| Weight | 0.97kg2.1lbBest | 1kg2.2lb |
| Carry-on compliance | 83% | 100%Best |
| Personal-item compliance | 0% | 0% |
| Dimensions | 54×29×23cm21.5×11.5×9in | 32×50×20cm12.5×19.5×8in |
| Laptop | n/a | 16" |
| Bottle pockets | 2 | 0 |
| Compression straps | n/a | 0 |
| Opening | Top-loading, top loading opening | Clamshell, U-shaped |
| Warranty | 50 years | Lifetime |
| Organizer | No | Yes |
| Shoe compartment | No | Yes |
| Hydration sleeve | Yes | No |
| Frame sheet | No | No |
| Water-resistant | No | No |
| Rain cover | No | No |
| MOLLE | No | No |
| Hip belt | Yes | Removable |
| Sternum strap | No | Removable |
| Load lifters | No | No |
| Shoulder strap | No | No |
| Luggage pass-through | No | Yes |
| Camera compartment | No | No |
| Material | 100D high density 30% recycled nylon and 210D high density 45% recycled nylon with PFAS-free C0 DWR, 135D recycled polyester lining | 420D Spectron UHMWPE/nylon ripstop (also 630D or 1050D ballistic nylon) |
| Last checked | 2026-10 | 2026-09 |
Where their airline fit differs
| Airline | Limit | Gregory Miko 30 | Tom Bihn Techonaut 30 |
|---|---|---|---|
| Air Arabia | Carry-on | Too big | Fits |
| Air India | Carry-on | Too big | Fits |
| Emirates | Carry-on | Too big | Fits |
| Qatar Airways | Carry-on | Too big | Fits |
| Ryanair | Carry-on | Too big | Fits |
| Vueling | Carry-on | Too big | Fits |
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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.