Mountainsmith Timber Sling vs Pacsafe E 12L Anti-Theft Sling Backpack
The Mountainsmith Timber Sling is 12L and 0.56kg1.2lb; the Pacsafe E 12L Anti-Theft Sling Backpack is 12L and 0.51kg1.1lb. The Pacsafe E 12L Anti-Theft Sling Backpack is 0.05kg0.1lb lighter. The Mountainsmith Timber Sling costs $89.99999999999999 less. The Mountainsmith Timber Sling fits the carry-on limit of 32 of 36 major airlines and the Pacsafe E 12L Anti-Theft Sling Backpack fits 36; under the seat, 0 and 11 of 26.
| Spec | Mountainsmith Timber Sling | Pacsafe E 12L Anti-Theft Sling Backpack |
|---|---|---|
| Price | $89.95Best | $179.95 |
| Volume | 12L | 12L |
| Weight | 0.56kg1.2lb | 0.51kg1.1lbBest |
| Carry-on compliance | 89% | 100%Best |
| Personal-item compliance | 0% | 42%Best |
| Dimensions | 27.9×48.3×20.3cm11×19×8in | 41×20×11.9cm16×8×4.5in |
| Laptop | no laptop sleeve | no laptop sleeve |
| Bottle pockets | n/a | 2 |
| Opening | Dual side access to the main compartment | n/a |
| Warranty | Lifetime | 5 years |
| Organizer | Yes | Yes |
| Shoe compartment | No | No |
| Hydration sleeve | No | Yes |
| Frame sheet | No | No |
| Water-resistant | No | 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 |
| Material | 610D HP Cordura, YKK zippers | 320D ECONYL regenerated nylon Taslon, water resistant 1000mm, PFC-free; 75D recycled polyester ripstop lining |
| Last checked | 2026-09 | 2026-09 |
Where their airline fit differs
| Airline | Limit | Mountainsmith Timber Sling | Pacsafe E 12L Anti-Theft Sling Backpack |
|---|---|---|---|
| Air Arabia | Carry-on | Too big | Fits |
| Air Canada | Personal item | Too big | Fits |
| Air India | Carry-on | Too big | Fits |
| Allegiant Air | Personal item | Too big | Fits |
| American Airlines | Personal item | Too big | Fits |
| British Airways | Personal item | Too big | Fits |
| easyJet | Personal item | Too big | Fits |
| Frontier Airlines | Personal item | Too big | Fits |
| JetBlue Airways | Personal item | Too big | Fits |
| LATAM Airlines | Personal item | Too big | Fits |
| Ryanair | Carry-on | Too big | Fits |
| United Airlines | Personal item | Too big | Fits |
| Volaris | Personal item | Too big | Fits |
| Vueling | Carry-on | 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.