Patagonia Black Hole MLC 45L vs Rab Women's Exion ND45L Hiking Pack
The Patagonia Black Hole MLC 45L is 45L and 1.6kg3.5lb; the Rab Women's Exion ND45L Hiking Pack is 45L and 1.55kg3.4lb. The Rab Women's Exion ND45L Hiking Pack is 0.05kg0.1lb lighter. The Rab Women's Exion ND45L Hiking Pack costs $4 less. The Patagonia Black Hole MLC 45L fits the carry-on limit of 5 of 36 major airlines and the Rab Women's Exion ND45L Hiking Pack fits 0; under the seat, 0 and 0 of 26.
| Spec | Patagonia Black Hole MLC 45L | Rab Women's Exion ND45L Hiking Pack |
|---|---|---|
| Price | $249 | $245Best |
| Volume | 45L | 45L |
| Weight | 1.6kg3.5lb | 1.55kg3.4lbBest |
| Carry-on compliance | 14%Best | 0% |
| Personal-item compliance | 0% | 0% |
| Dimensions | 56×37×19cm22×14.5×7.5in | 67×32×30cm26.5×12.5×12in |
| Laptop | 15" | n/a |
| Compression straps | n/a | 2 |
| Opening | n/a | Top-loading, Fixed lid with internal and external pockets, plus a U-shaped front zip |
| Warranty | Lifetime | Lifetime |
| Organizer | Yes | No |
| Shoe compartment | No | No |
| Hydration sleeve | No | Yes |
| Frame sheet | No | Yes |
| Water-resistant | Yes | No |
| Rain cover | No | Yes |
| MOLLE | No | No |
| Hip belt | Hideable | Yes |
| Sternum strap | No | No |
| Load lifters | No | No |
| Shoulder strap | Yes | No |
| Luggage pass-through | Yes | No |
| Camera compartment | No | No |
| Bike-ready | No | No |
| Material | 300D 100% recycled polyester ripstop with recycled TPU-film laminate | 330D Nylon Stripe Dobby with Hydroshield Coating, 600D polyester with Hydroshield coating |
| Last checked | 2026-09 | 2026-10 |
Where their airline fit differs
| Airline | Limit | Patagonia Black Hole MLC 45L | Rab Women's Exion ND45L Hiking Pack |
|---|---|---|---|
| British Airways | Carry-on | Fits | Too big |
| easyJet | Carry-on | Fits | Too big |
| Frontier Airlines | Carry-on | Fits | Too big |
| Singapore Airlines | Carry-on | Fits | Too big |
| Southwest Airlines | Carry-on | Fits | Too big |
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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.