Day Owl DayPack vs Tom Bihn Luminary 15
The Day Owl DayPack is 15L and 0.68kg1.5lb; the Tom Bihn Luminary 15 is 15L and 0.68kg1.5lb. They weigh the same. The Day Owl DayPack costs $80 less. The Day Owl DayPack fits the carry-on limit of 36 of 36 major airlines and the Tom Bihn Luminary 15 fits 36; under the seat, 10 and 8 of 26.
| Spec | Day Owl DayPack | Tom Bihn Luminary 15 |
|---|---|---|
| Price | $100Best | $180 |
| Volume | 15L | 15L |
| Weight | 0.68kg1.5lb | 0.68kg1.5lb |
| Carry-on compliance | 100% | 100% |
| Personal-item compliance | 38%Best | 31% |
| Dimensions | 40.6×29.2×11.4cm16×11.5×4.5in | 42×28×20cm16.5×11×8in |
| Laptop | 15"Best | 13" |
| Bottle pockets | 1 | 1 |
| Opening | n/a | Panel access, Asymmetrical half-zip main compartment |
| Warranty | Lifetime | Lifetime |
| Organizer | No | No |
| Shoe compartment | No | No |
| Hydration sleeve | No | No |
| Frame sheet | No | No |
| Water-resistant | Yes | 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 | First Mile waxed canvas made from 15 recycled post-consumer plastic bottles, 100% recycled polyester lining and trim, recycled foam, conflict-free metal YKK zippers | bluesign certified 630d High-Tenacity 2x2 ballistic nylon exterior, 210d Cerylon interior, closed-cell foam back panel |
| Last checked | 2026-10 | 2026-09 |
Where their airline fit differs
| Airline | Limit | Day Owl DayPack | Tom Bihn Luminary 15 |
|---|---|---|---|
| Air Canada | Personal item | Fits | Too big |
| WestJet | 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.