Aer Pro Pack Slim vs Trakke Arkaig Backpack
The Aer Pro Pack Slim is 12.5L and 0.86kg1.9lb; the Trakke Arkaig Backpack is 12L and 0.9kg2lb. The Aer Pro Pack Slim is 0.04kg0.1lb lighter. The Aer Pro Pack Slim fits the carry-on limit of 36 of 36 major airlines and the Trakke Arkaig Backpack fits 36; under the seat, 9 and 11 of 26.
| Spec | Aer Pro Pack Slim | Trakke Arkaig Backpack |
|---|---|---|
| Price | $139 | n/a |
| Volume | 12.5L | 12L |
| Weight | 0.86kg1.9lbBest | 0.9kg2lb |
| Carry-on compliance | 100% | 100% |
| Personal-item compliance | 35% | 42%Best |
| Dimensions | 43×30.5×10cm17×12×4in | 41×25×11cm16×10×4.5in |
| Laptop | 16"Best | 14" |
| Bottle pockets | 1 | 0 |
| Opening | n/a | Top-loading, top lid with COBRA buckles, zipped front pocket |
| Warranty | Lifetime | 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 | Yes | No |
| Load lifters | No | No |
| Shoulder strap | No | No |
| Luggage pass-through | Yes | No |
| Camera compartment | No | No |
| Material | 840D CORDURA re/cor recycled nylon exterior (bluesign approved), recycled nylon lining (bluesign approved), YKK zippers, Duraflex hardware | Dry-Finish Waxed Canvas outer and liner, spun polyester webbing, stainless steel hardware |
| Last checked | 2026-09 | 2026-10 |
Where their airline fit differs
| Airline | Limit | Aer Pro Pack Slim | Trakke Arkaig Backpack |
|---|---|---|---|
| United Airlines | Personal item | Too big | Fits |
| WestJet | 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.