Rab Descendor 40 Ski Pack vs REI Co-op Ruckpack 40 Pack - Men's
The Rab Descendor 40 Ski Pack is 40L and 1.28kg2.8lb; the REI Co-op Ruckpack 40 Pack - Men's is 40L and 1.3kg2.9lb. The Rab Descendor 40 Ski Pack is 0.02kg0lb lighter. The REI Co-op Ruckpack 40 Pack - Men's costs $41 less. The Rab Descendor 40 Ski Pack fits the carry-on limit of 0 of 36 major airlines and the REI Co-op Ruckpack 40 Pack - Men's fits 2; under the seat, 0 and 0 of 26.
| Spec | Rab Descendor 40 Ski Pack | REI Co-op Ruckpack 40 Pack - Men's |
|---|---|---|
| Price | $200 | $159Best |
| Volume | 40L | 40L |
| Weight | 1.28kg2.8lbBest | 1.3kg2.9lb |
| Carry-on compliance | 0% | 6%Best |
| Personal-item compliance | 0% | 0% |
| Dimensions | 67×35×30cm26.5×14×12in | 58×38×24cm23×15×9.5in |
| Laptop | n/a | 15" |
| Compartments | n/a | 1 |
| Bottle pockets | n/a | 2 |
| Opening | Roll-top, Roll-top entry plus a side zip, internal divider creates a bottom gear compartment | Panel access |
| Warranty | Lifetime | No fixed term |
| Organizer | No | No |
| Shoe compartment | No | No |
| Hydration sleeve | No | Yes |
| Frame sheet | Removable | Yes |
| Water-resistant | No | Yes |
| Rain cover | No | Yes |
| MOLLE | No | No |
| Hip belt | Yes | Yes |
| Sternum strap | Yes | Yes |
| Load lifters | No | Yes |
| Shoulder strap | No | No |
| Luggage pass-through | No | No |
| Camera compartment | No | No |
| Material | 210D ripstop nylon | Shell: recycled nylon (bluesign approved); lining: recycled polyester (bluesign approved); back panel: recycled polyester air-mesh (bluesign approved) |
| Last checked | 2026-10 | 2026-09 |
Where their airline fit differs
| Airline | Limit | Rab Descendor 40 Ski Pack | REI Co-op Ruckpack 40 Pack - Men's |
|---|---|---|---|
| Frontier Airlines | Carry-on | Too big | Fits |
| Southwest Airlines | Carry-on | 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.