Lowe Alpine Sirac Plus 40 vs Mystery Ranch Mission Rover 45
The Lowe Alpine Sirac Plus 40 is 40L and 1.77kg3.9lb; the Mystery Ranch Mission Rover 45 is 42L and 1.8kg4lb. The Lowe Alpine Sirac Plus 40 is 0.03kg0.1lb lighter. The Lowe Alpine Sirac Plus 40 fits the carry-on limit of 0 of 36 major airlines and the Mystery Ranch Mission Rover 45 fits 0; under the seat, 0 and 0 of 26.
| Spec | Lowe Alpine Sirac Plus 40 | Mystery Ranch Mission Rover 45 |
|---|---|---|
| Price | n/a | $249 |
| Volume | 40L | 42L |
| Weight | 1.77kg3.9lbBest | 1.8kg4lb |
| Carry-on compliance | 0% | 0% |
| Personal-item compliance | 0% | 0% |
| Dimensions | 75×36×28cm29.5×14×11in | 53×33×30cm21×13×12in |
| Laptop | n/a | 15" |
| Compartments | 2 | n/a |
| Bottle pockets | 2 | n/a |
| Opening | Top-loading, Lidded top opening plus zipped front and lower entry, with an internal divider | Clamshell |
| Warranty | n/a | Lifetime |
| Organizer | No | Yes |
| Shoe compartment | No | Yes |
| Hydration sleeve | Yes | No |
| Frame sheet | No | No |
| Water-resistant | No | No |
| Rain cover | Removable | No |
| MOLLE | No | No |
| Hip belt | Yes | Hideable |
| Sternum strap | Yes | No |
| Load lifters | No | No |
| Shoulder strap | No | Removable |
| Luggage pass-through | No | Yes |
| Camera compartment | No | No |
| Bike-ready | No | No |
| Material | Recycled fabrics | 500D Cordura nylon, YKK DWR-treated exterior zippers |
| Last checked | 2026-10 | 2026-09 |
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.