Knack Bags Medium Expandable Knack Pack v2 vs. Patagonia Black Hole MLC Wheeled Duffel 34L
Two carry-on travel backpacks, compared spec for spec.
Knack Bags Medium Expandable Knack Pack v2
| Capacity | 24 L |
| Weight | 1.4 kg |
| Dimensions | 48×31×11 cm |
| Airline fit | 92% |
| Price | $265 |
Feature by feature
| Knack Bags Medium Expandable Knack Pack v2 | Feature | Patagonia Black Hole MLC Wheeled Duffel 34L |
|---|---|---|
| Storage | ||
| N | Compression | N |
| 35L | Expanded Capacity | None |
| 1 | Opening | 1 |
| front | Passport | front |
| N | Passthrough | N |
| Carry | ||
| hideable | Backpack | hideable |
| N | Hip Belt | N |
| removable | Sternum Strap | removable |
| Inside | ||
| 16in | Laptop | N |
| 3 | Main Compartments | 2 |
| N | Organizer | N |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| 1, side | Water Bottle Holder | N |
| Y | Water Resistant | Y |
| Material | |
| PU coated 420 denier, high-density nylon | 8.7-oz 300-denier 100% postconsumer recycled polyester ripstop with a postindustrial recycled TPU-film laminate |
Patagonia Black Hole MLC Wheeled Duffel 34L
| Capacity | 34 L |
| Weight | 2.9 kg |
| Dimensions | 52×33×20 cm |
| Airline fit | 88% |
| Price | $360 |
Key differences between the Knack Bags Medium Expandable Knack Pack v2 and Patagonia Black Hole MLC Wheeled Duffel 34L
- Laptop sleeve: 16in on the Knack Bags Medium Expandable Knack Pack v2; No on the Patagonia Black Hole MLC Wheeled Duffel 34L.
- Main compartments: 3 on the Knack Bags Medium Expandable Knack Pack v2; 2 on the Patagonia Black Hole MLC Wheeled Duffel 34L.
- Water bottle pockets: 1, side on the Knack Bags Medium Expandable Knack Pack v2; No on the Patagonia Black Hole MLC Wheeled Duffel 34L.
Both have: passport pocket, backpack straps, 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. 167 accept both. 7 accept only the Knack Bags Medium Expandable Knack Pack v2, and 0 accept only the Patagonia Black Hole MLC Wheeled Duffel 34L.
Only the Knack Bags Medium Expandable Knack Pack v2 fits
Belavia, Etihad Airways, Oman Air, Qatar Airways, Regional Express, Royal Jordanian, Virgin Australia.
Knack Bags Medium Expandable Knack Pack v2 vs. Patagonia Black Hole MLC Wheeled Duffel 34L: which should you pack?
The Patagonia Black Hole MLC Wheeled Duffel 34L carries 10L more than the Knack Bags Medium Expandable Knack Pack v2 (24L vs. 34L), while the Knack Bags Medium Expandable Knack Pack v2 is the lighter pack at 1.4kg (vs. 2.9kg). For carry-on flexibility, the Knack Bags Medium Expandable Knack Pack v2 fits 92% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Patagonia Black Hole MLC Wheeled Duffel 34L; if you want to travel lighter, the Knack Bags Medium Expandable Knack Pack v2 is the better call.