Knack Bags Medium Expandable Knack Pack v2 vs. Craghoppers Kiwi Classic Rolltop Backpack 20L

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 v2FeatureCraghoppers Kiwi Classic Rolltop Backpack 20L
Storage
N Compression N
35L Expanded Capacity None
1 Opening 2
front Passport back
N Passthrough N
Carry
hideable Backpack Y
N Hip Belt N
removable Sternum Strap Y
Inside
16in Laptop 16in
3 Main Compartments 3
N Organizer N
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 nylon100% recycled polyester

Craghoppers Kiwi Classic Rolltop Backpack 20L

Front facing view of the Craghoppers Kiwi Classic Rolltop Backpack 20L
Capacity20 L
Weight0.6 kg
Dimensions47×30×18 cm
Airline fit93%
Price$90

Key differences between the Knack Bags Medium Expandable Knack Pack v2 and Craghoppers Kiwi Classic Rolltop Backpack 20L

Both have: 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. 174 accept both. 0 accept only the Knack Bags Medium Expandable Knack Pack v2, and 1 accept only the Craghoppers Kiwi Classic Rolltop Backpack 20L.

Only the Craghoppers Kiwi Classic Rolltop Backpack 20L fits

Air Niugini.

Knack Bags Medium Expandable Knack Pack v2 vs. Craghoppers Kiwi Classic Rolltop Backpack 20L: which should you pack?

The Knack Bags Medium Expandable Knack Pack v2 carries 4L more than the Craghoppers Kiwi Classic Rolltop Backpack 20L (24L vs. 20L), while the Craghoppers Kiwi Classic Rolltop Backpack 20L is the lighter pack at 0.6kg (vs. 1.4kg). For carry-on flexibility, the Craghoppers Kiwi Classic Rolltop Backpack 20L fits 93% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Knack Bags Medium Expandable Knack Pack v2; if you want to travel lighter, the Craghoppers Kiwi Classic Rolltop Backpack 20L is the better call.