Béis The Air Backpack vs Cabin Zero Classic Backpack 28L
The Béis The Air Backpack is 28L and 0.62kg1.4lb; the Cabin Zero Classic Backpack 28L is 28L and 0.6kg1.3lb. The Cabin Zero Classic Backpack 28L is 0.02kg0lb lighter. The Cabin Zero Classic Backpack 28L costs $26 less. The Béis The Air Backpack fits the carry-on limit of 36 of 36 major airlines and the Cabin Zero Classic Backpack 28L fits 36; under the seat, 0 and 13 of 26.
| Spec | Béis The Air Backpack | Cabin Zero Classic Backpack 28L |
|---|---|---|
| Price | $118 | $92Best |
| Volume | 28L | 28L |
| Weight | 0.62kg1.4lb | 0.6kg1.3lbBest |
| Carry-on compliance | 100% | 100% |
| Personal-item compliance | 0% | 50%Best |
| Dimensions | 46.3×31×17.8cm18×12×7in | 39×30×20cm15.5×12×8in |
| Laptop | sleeve, size not published | 15.6" |
| Bottle pockets | n/a | 0 |
| Compression straps | n/a | 2 |
| Opening | n/a | Clamshell, Clamshell opening (single main compartment) |
| Warranty | n/a | Lifetime |
| Organizer | Yes | Yes |
| Shoe compartment | No | No |
| Hydration sleeve | No | No |
| Frame sheet | No | No |
| Water-resistant | No | Yes |
| Rain cover | No | No |
| MOLLE | No | No |
| Hip belt | No | No |
| Sternum strap | No | No |
| Load lifters | No | No |
| Shoulder strap | No | Yes |
| Luggage pass-through | Yes | No |
| Camera compartment | No | No |
| Bike-ready | No | No |
| Material | 56% nylon, 44% recycled nylon body, polyester lining | 600 denier polyester body, 200 denier polyester lining, YKK zips, abrasion-resistant, water-resistant |
| Last checked | 2026-09 | 2026-09 |
Where their airline fit differs
| Airline | Limit | Béis The Air Backpack | Cabin Zero Classic Backpack 28L |
|---|---|---|---|
| Allegiant Air | Personal item | Too big | Fits |
| American Airlines | Personal item | Too big | Fits |
| ANA (All Nippon Airways) | Personal item | Too big | Fits |
| British Airways | Personal item | Too big | Fits |
| easyJet | Personal item | Too big | Fits |
| Frontier Airlines | Personal item | Too big | Fits |
| JetBlue Airways | Personal item | Too big | Fits |
| LATAM Airlines | Personal item | Too big | Fits |
| Norwegian Air Shuttle | Personal item | Too big | Fits |
| Ryanair | Personal item | Too big | Fits |
| Volaris | Personal item | Too big | Fits |
| Vueling | 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.