The North Face Borealis Sling vs Waterfly TransformerX Packable Crossbody Bag 6L
The The North Face Borealis Sling is 6L and 0.3kg0.7lb; the Waterfly TransformerX Packable Crossbody Bag 6L is 6L and 0.25kg0.6lb. The Waterfly TransformerX Packable Crossbody Bag 6L is 0.05kg0.1lb lighter. The Waterfly TransformerX Packable Crossbody Bag 6L costs $39.04 less. The The North Face Borealis Sling fits the carry-on limit of 36 of 36 major airlines and the Waterfly TransformerX Packable Crossbody Bag 6L fits 36; under the seat, 23 and 23 of 26.
| Spec | The North Face Borealis Sling | Waterfly TransformerX Packable Crossbody Bag 6L |
|---|---|---|
| Price | $65 | $25.96Best |
| Volume | 6L | 6L |
| Weight | 0.3kg0.7lb | 0.25kg0.6lbBest |
| Carry-on compliance | 100% | 100% |
| Personal-item compliance | 88% | 88% |
| Dimensions | 33×18.5×12cm13×7.5×4.5in | 37.1×19.8×8.9cm14.5×8×3.5in |
| Compartments | 1 | n/a |
| Bottle pockets | 1 | 2 |
| Opening | zippered main compartment | Zippered main compartment with webbing and buckle closure |
| Warranty | Lifetime | 10 years |
| Organizer | Yes | No |
| 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 | No | No |
| Camera compartment | No | No |
| Bike-ready | No | No |
| Material | 210D recycled nylon ripstop with PU coating and fluorine-free DWR | Water-resistant polyester, polyester lining |
| Last checked | 2026-09 | 2026-10 |
Where their airline fit differs
| Airline | Limit | The North Face Borealis Sling | Waterfly TransformerX Packable Crossbody Bag 6L |
|---|---|---|---|
| Air Arabia | Personal item | Fits | Too big |
| AirAsia | Personal item | Too big | Fits |
| Cebu Pacific | Personal item | Fits | Too big |
| Singapore Airlines | Personal item | Too big | Fits |
Add more bags to this comparison
Specs come from each brand's own product page. Fit uses listed dimensions in any orientation. How we score carry-on fit.