Lowe Alpine Sirac 50 vs Lowe Alpine Sirac Plus 50
The Lowe Alpine Sirac 50 is 50L and 1.78kg3.9lb; the Lowe Alpine Sirac Plus 50 is 50L and 1.98kg4.4lb. The Lowe Alpine Sirac 50 is 0.2kg0.4lb lighter. The Lowe Alpine Sirac 50 fits the carry-on limit of 0 of 36 major airlines and the Lowe Alpine Sirac Plus 50 fits 0; under the seat, 0 and 0 of 26.
| Spec | Lowe Alpine Sirac 50 | Lowe Alpine Sirac Plus 50 |
|---|---|---|
| Volume | 50L | 50L |
| Weight | 1.78kg3.9lbBest | 1.98kg4.4lb |
| Carry-on compliance | 0% | 0% |
| Personal-item compliance | 0% | 0% |
| Dimensions | 80×41×33cm31.5×16×13in | 80×41×33cm31.5×16×13in |
| Compartments | 2 | 2 |
| Bottle pockets | 2 | 2 |
| Opening | Top-loading, Lidded top opening, plus a sleeping bag compartment with divider | Top-loading, Lidded top opening plus zipped front and lower entry, with an internal divider |
| Organizer | No | No |
| Shoe compartment | No | No |
| Hydration sleeve | Yes | Yes |
| Frame sheet | No | No |
| Water-resistant | Yes | No |
| Rain cover | Removable | Removable |
| MOLLE | No | No |
| Hip belt | Yes | Yes |
| Sternum strap | Yes | Yes |
| Load lifters | No | No |
| Shoulder strap | No | No |
| Luggage pass-through | No | No |
| Camera compartment | No | No |
| Material | 45% recycled 420D Dobby and 100% recycled 600D PW / HydroShield | Recycled fabrics |
| Last checked | 2026-10 | 2026-10 |
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.