Knack Series 2 Small Expandable Pack vs Trakke Bannoch Backpack
The Knack Series 2 Small Expandable Pack is 17L and 1.08kg2.4lb; the Trakke Bannoch Backpack is 17L and 1.1kg2.4lb. The Knack Series 2 Small Expandable Pack is 0.02kg0lb lighter. The Knack Series 2 Small Expandable Pack fits the carry-on limit of 36 of 36 major airlines and the Trakke Bannoch Backpack fits 36; under the seat, 7 and 7 of 26.
| Spec | Knack Series 2 Small Expandable Pack | Trakke Bannoch Backpack |
|---|---|---|
| Price | $225 | n/a |
| Volume | 17L | 17L |
| Expands to | 27L | n/a |
| Weight | 1.08kg2.4lbBest | 1.1kg2.4lb |
| Carry-on compliance | 100% | 100% |
| Personal-item compliance | 27% | 27% |
| Dimensions | 43.2×31.8×12.7cm17×12.5×5in | 44×28×14cm17.5×11×5.5in |
| Laptop | 16" | 16" |
| Bottle pockets | 1 | 2 |
| Opening | Clamshell, top-access laptop pocket, suitcase-style lid on packing compartment | Top-loading, top lid with two COBRA buckles |
| Warranty | n/a | Lifetime |
| Organizer | Yes | Yes |
| Shoe compartment | No | No |
| Hydration sleeve | No | No |
| Frame sheet | No | No |
| Water-resistant | Yes | Yes |
| 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 | No |
| Camera compartment | No | No |
| Material | 420D high-density nylon with PU coating, 840D ballistic nylon bottom | Dry-Finish Waxed Canvas outer and liner, cotton webbing, stainless steel hardware, AustriAlpin COBRA 25mm buckles |
| Last checked | 2026-09 | 2026-10 |
Where their airline fit differs
Both bags pass and fail the same airline size limits.
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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.