Away The Carry-On Flex 3 vs Skyborne B-2 Titanium Trunk
The Away The Carry-On Flex 3 is 41L and 4.08kg9lb; the Skyborne B-2 Titanium Trunk is 41L and 4.1kg9lb. The Away The Carry-On Flex 3 is 0.02kg0lb lighter. The Away The Carry-On Flex 3 costs $409 less. The Away The Carry-On Flex 3 fits the carry-on limit of 2 of 36 major airlines and the Skyborne B-2 Titanium Trunk fits 8; under the seat, 0 and 0 of 26.
| Spec | Away The Carry-On Flex 3 | Skyborne B-2 Titanium Trunk |
|---|---|---|
| Price | $378Best | $787 |
| Volume | 41L | 41L |
| Expands to | 47L | n/a |
| Weight | 4.08kg9lbBest | 4.1kg9lb |
| Carry-on compliance | 6% | 22%Best |
| Personal-item compliance | 0% | 0% |
| Dimensions | 56.1×36.8×23.1cm22×14.5×9in | 50.8×36×24cm20×14×9.5in |
| Compression straps | n/a | 2 |
| Opening | n/a | Zipperless hard-shell trunk closed by dual TSA combination latches |
| Warranty | 1 year | Lifetime |
| Organizer | Yes | Yes |
| Shoe compartment | No | No |
| Hydration sleeve | No | No |
| Frame sheet | No | No |
| Water-resistant | No | No |
| 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 | No |
| Material | 100% polycarbonate hard shell, reverse coil zippers, water-repellent fabric lining | Aerospace-grade black titanium shell, aluminum 7075 frame, calf leather, silk, polyester, rubber, magnets, 300D nylon |
| Last checked | 2026-09 | 2026-10 |
Where their airline fit differs
| Airline | Limit | Away The Carry-On Flex 3 | Skyborne B-2 Titanium Trunk |
|---|---|---|---|
| Allegiant Air | Carry-on | Too big | Fits |
| ANA (All Nippon Airways) | Carry-on | Too big | Fits |
| British Airways | Carry-on | Too big | Fits |
| easyJet | Carry-on | Too big | Fits |
| Singapore Airlines | Carry-on | Too big | Fits |
| Volaris | 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.