Black Ember Grip-Sling 12 vs Boundary Supply Errant Sling
The Black Ember Grip-Sling 12 is 12L and 0.9kg2lb; the Boundary Supply Errant Sling is 15L and 0.91kg2lb. The Black Ember Grip-Sling 12 is 0.01kg0lb lighter. The Black Ember Grip-Sling 12 costs $54 less. The Black Ember Grip-Sling 12 fits the carry-on limit of 36 of 36 major airlines and the Boundary Supply Errant Sling fits 36; under the seat, 20 and 21 of 26.
| Spec | Black Ember Grip-Sling 12 | Boundary Supply Errant Sling |
|---|---|---|
| Price | $195Best | $249 |
| Volume | 12L | 15L |
| Weight | 0.9kg2lbBest | 0.91kg2lb |
| Carry-on compliance | 100% | 100% |
| Personal-item compliance | 77% | 81%Best |
| Dimensions | 38×27×14cm15×10.5×5.5in | 38×25×14cm15×10×5.5in |
| Laptop | 14" | 14" |
| Opening | magnetic flap over two fast access pockets, main zip | stormproof zip with magnetic auto-lock buckle |
| 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 | No |
| Luggage pass-through | No | No |
| Camera compartment | Insert sold separately | No |
| Material | EmberTex PFAS-free 1220x600D nylon 6 with bonded laser-cut Hypalon panels, 200D ripstop nylon lining, YKK Aquaguard zippers, T6 anodized aluminum hardware | Weatherproof fabrics |
| Last checked | 2026-10 | 2026-09 |
Where their airline fit differs
| Airline | Limit | Black Ember Grip-Sling 12 | Boundary Supply Errant Sling |
|---|---|---|---|
| United 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.