Stubble & Co The Rolltop 20L vs. Alpha One-Niner Whitley Backpack

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

Stubble & Co The Rolltop 20L

Front facing view of the Stubble & Co The Rolltop 20L
Capacity20 L
Weight1.1 kg
Dimensions47×32×14 cm
Airline fit92%
Price$170

Feature by feature

Stubble & Co The Rolltop 20LFeatureAlpha One-Niner Whitley Backpack
Storage
2 Compression N
None Expanded Capacity None
2 Opening 1
front Passport front
Y Passthrough N
Carry
Y Backpack Y
N Hip Belt N
removable Sternum Strap removable
Inside
16in Laptop 16in
3 Main Compartments 3
Y Organizer Y
Outside
× Hard Shell ×
N Rain-fly N
2, side Water Bottle Holder 2, side
Y Water Resistant Y
Material
900D Recycled PETAvailable in:X-Pac X42, 500D, 1050D Ballistic Nylon

Alpha One-Niner Whitley Backpack

Front facing view of the Alpha One-Niner Whitley Backpack
Capacity20 L
Weight1.2 kg
Dimensions47×28×15 cm
Airline fit93%
Price$200

Key differences between the Stubble & Co The Rolltop 20L and Alpha One-Niner Whitley Backpack

Both have: passport pocket, backpack straps, sternum strap, laptop sleeve, built-in organizer, 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 Stubble & Co The Rolltop 20L, and 2 accept only the Alpha One-Niner Whitley Backpack.

Only the Alpha One-Niner Whitley Backpack fits

Air Niugini, Great Lakes Airlines.

Stubble & Co The Rolltop 20L vs. Alpha One-Niner Whitley Backpack: which should you pack?

The Stubble & Co The Rolltop 20L carries the same capacity as the Alpha One-Niner Whitley Backpack (20L vs. 20L), while the Stubble & Co The Rolltop 20L is the lighter pack at 1.1kg (vs. 1.2kg). For carry-on flexibility, the Alpha One-Niner Whitley Backpack fits 93% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Stubble & Co The Rolltop 20L; if you want to travel lighter, the Stubble & Co The Rolltop 20L is the better call.