Aer Day Pack 3 vs Champs Luggage Onyx Leather Compact Backpack
The Aer Day Pack 3 is 14L and 1.27kg2.8lb; the Champs Luggage Onyx Leather Compact Backpack is 13L and 1.3kg2.9lb. The Aer Day Pack 3 is 0.03kg0.1lb lighter. The Aer Day Pack 3 costs $56 less. The Aer Day Pack 3 fits the carry-on limit of 36 of 36 major airlines and the Champs Luggage Onyx Leather Compact Backpack fits 36; under the seat, 7 and 22 of 26.
| Spec | Aer Day Pack 3 | Champs Luggage Onyx Leather Compact Backpack |
|---|---|---|
| Price | $159Best | $215 |
| Volume | 14L | 13L |
| Weight | 1.27kg2.8lbBest | 1.3kg2.9lb |
| Carry-on compliance | 100% | 100% |
| Personal-item compliance | 27% | 85%Best |
| Dimensions | 44×30×14cm17.5×12×5.5in | 36.8×27.9×8.9cm14.5×11×3.5in |
| Laptop | 16"Best | 15.6" |
| Bottle pockets | 1 | n/a |
| Warranty | Lifetime | 10 years |
| Organizer | Yes | Yes |
| 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 | Yes | Yes |
| Camera compartment | No | No |
| Material | 1680D CORDURA ballistic nylon exterior (bluesign approved), 840D nylon face with weather-resistant coating, recycled nylon lining (bluesign approved), YKK zippers, Duraflex hardware | Premium top-grain cowhide leather |
| Last checked | 2026-09 | 2026-10 |
Where their airline fit differs
| Airline | Limit | Aer Day Pack 3 | Champs Luggage Onyx Leather Compact Backpack |
|---|---|---|---|
| Air Canada | Personal item | Too big | Fits |
| Air France | Personal item | Too big | Fits |
| AirAsia | Personal item | Too big | Fits |
| ANA (All Nippon Airways) | Personal item | Too big | Fits |
| JetBlue Airways | Personal item | Too big | Fits |
| KLM | Personal item | Too big | Fits |
| Lufthansa | Personal item | Too big | Fits |
| Norwegian Air Shuttle | Personal item | Too big | Fits |
| Ryanair | Personal item | Too big | Fits |
| SAS | Personal item | Too big | Fits |
| Singapore Airlines | Personal item | Too big | Fits |
| Turkish Airlines | Personal item | Too big | Fits |
| Vueling | Personal item | Too big | Fits |
| WestJet | Personal item | Too big | Fits |
| Wizz Air | Personal item | 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.