Knack Bags Medium Expandable Knack Pack v2 vs. Patagonia Black Hole® Mini MLC® 26L

Two carry-on travel backpacks, compared spec for spec.

Knack Bags Medium Expandable Knack Pack v2

Front facing view of the Knack Bags Medium Expandable Knack Pack v2
Capacity24 L
Weight1.4 kg
Dimensions48×31×11 cm
Airline fit92%
Price$265

Feature by feature

Knack Bags Medium Expandable Knack Pack v2FeaturePatagonia Black Hole® Mini MLC® 26L
Storage
N Compression N
35L Expanded Capacity None
1 Opening 1
front Passport top
N Passthrough Y
Carry
hideable Backpack hideable
N Hip Belt removable
removable Sternum Strap removable
Inside
16in Laptop 16in
3 Main Compartments 3
N Organizer Y
Outside
× Hard Shell ×
N Rain-fly N
1, side Water Bottle Holder 1, side
Y Water Resistant Y
Material
PU coated 420 denier, high-density nylon8.7-oz 300-denier 100% postconsumer recycled polyester ripstop with a postindustrial recycled TPU-film laminate

Patagonia Black Hole® Mini MLC® 26L

Front facing view of the Patagonia Black Hole® Mini MLC® 26L
Capacity26 L
Weight1.3 kg
Dimensions52×30×18 cm
Airline fit88%
Price$200

Key differences between the Knack Bags Medium Expandable Knack Pack v2 and Patagonia Black Hole® Mini MLC® 26L

Both have: backpack straps, sternum strap, laptop sleeve, water bottle pockets, 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® Mini MLC® 26L.

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® Mini MLC® 26L: which should you pack?

The Patagonia Black Hole® Mini MLC® 26L carries 2L more than the Knack Bags Medium Expandable Knack Pack v2 (24L vs. 26L), while the Patagonia Black Hole® Mini MLC® 26L is the lighter pack at 1.3kg (vs. 1.4kg). 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® Mini MLC® 26L; if you want to travel lighter, the Patagonia Black Hole® Mini MLC® 26L is the better call.