Black Ember Kompak vs Trakke Kelso Sling
The Black Ember Kompak is 5L and 0.35kg0.8lb; the Trakke Kelso Sling is 5L and 0.32kg0.7lb. The Trakke Kelso Sling is 0.03kg0.1lb lighter. The Black Ember Kompak fits the carry-on limit of 36 of 36 major airlines and the Trakke Kelso Sling fits 36; under the seat, 23 and 24 of 26.
| Spec | Black Ember Kompak | Trakke Kelso Sling |
|---|---|---|
| Price | $125 | n/a |
| Volume | 5L | 5L |
| Weight | 0.35kg0.8lb | 0.32kg0.7lbBest |
| Carry-on compliance | 100% | 100% |
| Personal-item compliance | 88% | 92%Best |
| Dimensions | 23×16.5×12.7cm9×6.5×5in | 24×23×10cm9.5×9×4in |
| Laptop | no laptop sleeve | no laptop sleeve |
| Opening | main zip unzips flat into an organizer, magnetic phone pocket | weatherproof zip main compartment |
| Warranty | Lifetime | 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 | Yes | Yes |
| Luggage pass-through | No | No |
| Camera compartment | No | No |
| Bike-ready | No | No |
| Material | EmberTex PFAS-free 1220x600D nylon 6, 1000D Hypalon, 300D ripstop lining, YKK Aquaguard zippers | Dry-Finish Waxed Canvas outer and liner, cotton webbing, stainless steel hardware |
| Last checked | 2026-10 | 2026-10 |
Where their airline fit differs
| Airline | Limit | Black Ember Kompak | Trakke Kelso Sling |
|---|---|---|---|
| AirAsia | Personal item | Too big | Fits |
| Cebu Pacific | Personal item | Fits | Too big |
| Singapore Airlines | 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.