Millican The Core Roll Pack 20L vs. Uniqlo 3Way Bag

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

Millican The Core Roll Pack 20L

Front facing view of the Millican The Core Roll Pack 20L
Capacity20 L
Weight0.6 kg
Dimensions50×29×13 cm
Airline fit92%
Price$122

Feature by feature

Millican The Core Roll Pack 20LFeatureUniqlo 3Way Bag
Storage
N Compression N
None Expanded Capacity None
2 Opening 0
N Passport N
N Passthrough N
Carry
Y Backpack Y
N Hip Belt N
N Sternum Strap N
Inside
17in Laptop N
1 Main Compartments 1
N Organizer Y
Outside
× Hard Shell ×
N Rain-fly N
N Water Bottle Holder N
Y Water Resistant Y
Material
100% Recycled Polyester (RPET) 900DPolyester

Uniqlo 3Way Bag

Front facing view of the Uniqlo 3Way Bag
Capacity4 L
Weight1 kg
Dimensions17.7×12.2×4.7 cm
Airline fit100%
Price$40

Key differences between the Millican The Core Roll Pack 20L and Uniqlo 3Way Bag

Both have: backpack straps, water resistant.

Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 173 accept both. 0 accept only the Millican The Core Roll Pack 20L, and 16 accept only the Uniqlo 3Way Bag.

Only the Uniqlo 3Way Bag fits

Air Tahiti, American Eagle, easyJet, Great Lakes Airlines, Gulf Air, LC Perú, Linea Aerea Amaszonas, Lion Air Group, Ravn Alaska, Regional Express, Spring Airlines, Tianjin Airlines (E145), Virgin Australia, VivaColombia, Volaris, Wizz Air.

Millican The Core Roll Pack 20L vs. Uniqlo 3Way Bag: which should you pack?

The Millican The Core Roll Pack 20L carries 16L more than the Uniqlo 3Way Bag (20L vs. 4L), while the Millican The Core Roll Pack 20L is the lighter pack at 0.6kg (vs. 1kg). For carry-on flexibility, the Uniqlo 3Way Bag fits 100% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Millican The Core Roll Pack 20L; if you want to travel lighter, the Millican The Core Roll Pack 20L is the better call.