Patagonia Black Hole® MLC® 45L vs. Patagonia Black Hole® Duffel Bag 55L
Two carry-on travel backpacks, compared spec for spec.
Patagonia Black Hole® MLC® 45L
| Capacity | 45 L |
| Weight | 1.7 kg |
| Dimensions | 56×37×19 cm |
| Airline fit | 26% |
| Price | $240 |
Feature by feature
| Patagonia Black Hole® MLC® 45L | Feature | Patagonia Black Hole® Duffel Bag 55L |
|---|---|---|
| Storage | ||
| N | Compression | N |
| None | Expanded Capacity | None |
| 1 | Opening | 1 |
| top | Passport | side |
| Y | Passthrough | Y |
| Carry | ||
| Y | Backpack | removable |
| N | Hip Belt | N |
| Y | Sternum Strap | Y |
| Inside | ||
| 15in | Laptop | N |
| 5 | Main Compartments | 2 |
| N | Organizer | N |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| 2, side | Water Bottle Holder | N |
| Y | Water Resistant | Y |
| Material | |
| 14.1-oz 900-denier 100% postconsumer recycled polyester ripstop with a postindustrial recycled TPU-film laminate | 100% recycled polyester ripstop with a matte, recycled TPU-film laminate |
Patagonia Black Hole® Duffel Bag 55L
| Capacity | 55 L |
| Weight | 1.2 kg |
| Dimensions | 58×34×24 cm |
| Airline fit | 5% |
| Price | $170 |
Key differences between the Patagonia Black Hole® MLC® 45L and Patagonia Black Hole® Duffel Bag 55L
- Passport pocket: Top on the Patagonia Black Hole® MLC® 45L; Side on the Patagonia Black Hole® Duffel Bag 55L.
- Backpack straps: Yes on the Patagonia Black Hole® MLC® 45L; Removable on the Patagonia Black Hole® Duffel Bag 55L.
- Laptop sleeve: 15in on the Patagonia Black Hole® MLC® 45L; No on the Patagonia Black Hole® Duffel Bag 55L.
- Main compartments: 5 on the Patagonia Black Hole® MLC® 45L; 2 on the Patagonia Black Hole® Duffel Bag 55L.
- Water bottle pockets: 2, side on the Patagonia Black Hole® MLC® 45L; No on the Patagonia Black Hole® Duffel Bag 55L.
Both have: luggage passthrough, sternum strap, water resistant.
Which airlines take each bag as a carry-on
We checked both bags against the carry-on size limits of 189 airlines. 10 accept both. 39 accept only the Patagonia Black Hole® MLC® 45L, and 0 accept only the Patagonia Black Hole® Duffel Bag 55L.
Only the Patagonia Black Hole® MLC® 45L fits
Aegean Airlines, Air Astana, Air Europa, Air Koryo, Air Nostrum, Air Tahiti Nui, Atlas Global, Azul Linhas, British Airways, Caribbean Airlines, China Southern, Croatia Air, Cubana de Aviacion, EL AL, Finnair, Hainan Airlines, Iran Aseman Air, Jet2, Korean Air, Kuwait Air, Middle East Airlines, Monarch Airlines, Onur Air, Philippine Airlines, Royal Air Morocco, Saudi Arabian Airlines, Sichuan Airlines, SilkAir, Silver Airways, Singapore Airlines, SpiceJet, Spirit Airlines, TAAG Angola, TAM Airlines, Thai Airways, Travel Service Airlines, Ural Airlines, Uzbekistan Air, WOW Airlines.
Patagonia Black Hole® MLC® 45L vs. Patagonia Black Hole® Duffel Bag 55L: which should you pack?
The Patagonia Black Hole® Duffel Bag 55L carries 10L more than the Patagonia Black Hole® MLC® 45L (45L vs. 55L), while the Patagonia Black Hole® Duffel Bag 55L is the lighter pack at 1.2kg (vs. 1.7kg). For carry-on flexibility, the Patagonia Black Hole® MLC® 45L fits 26% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Patagonia Black Hole® Duffel Bag 55L; if you want to travel lighter, the Patagonia Black Hole® Duffel Bag 55L is the better call.