Osprey Arcane Small Day vs Rab Nitron 12L Lightweight Pack
The Osprey Arcane Small Day is 12L and 0.5kg1.1lb; the Rab Nitron 12L Lightweight Pack is 12L and 0.47kg1lb. The Rab Nitron 12L Lightweight Pack is 0.03kg0.1lb lighter. The Osprey Arcane Small Day fits the carry-on limit of 36 of 36 major airlines and the Rab Nitron 12L Lightweight Pack fits 36; under the seat, 13 and 7 of 26.
| Spec | Osprey Arcane Small Day | Rab Nitron 12L Lightweight Pack |
|---|---|---|
| Price | $100 | $100 |
| Volume | 12L | 12L |
| Weight | 0.5kg1.1lb | 0.47kg1lbBest |
| Carry-on compliance | 100% | 100% |
| Personal-item compliance | 50%Best | 27% |
| Dimensions | 39×27×17cm15.5×10.5×6.5in | 44×23×18cm17.5×9×7in |
| Laptop | 14" | n/a |
| Bottle pockets | 0 | n/a |
| Compression straps | 0 | n/a |
| Opening | Panel access, J-zip panel | Zipped entry and top pocket |
| Warranty | Lifetime | Lifetime |
| Organizer | Yes | No |
| Shoe compartment | No | No |
| Hydration sleeve | No | Yes |
| Frame sheet | No | No |
| Water-resistant | Yes | No |
| Rain cover | No | No |
| MOLLE | No | No |
| Hip belt | No | No |
| Sternum strap | No | Yes |
| Load lifters | No | No |
| Shoulder strap | No | No |
| Luggage pass-through | No | No |
| Camera compartment | No | No |
| Material | bluesign approved 100% recycled 480D polyester, PFAS-free DWR | 100D ROBIC nylon ripstop |
| Last checked | 2026-09 | 2026-10 |
Where their airline fit differs
| Airline | Limit | Osprey Arcane Small Day | Rab Nitron 12L Lightweight Pack |
|---|---|---|---|
| ANA (All Nippon Airways) | Personal item | Fits | Too big |
| JetBlue Airways | Personal item | Fits | Too big |
| Norwegian Air Shuttle | Personal item | Fits | Too big |
| Ryanair | Personal item | Fits | Too big |
| Vueling | 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.