Attitude Supply ATD1 Backpack vs. Rab Adrift 30L Day Pack

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

Attitude Supply ATD1 Backpack

Front facing view of the Attitude Supply ATD1 Backpack
Capacity23 L
Weight1.7 kg
Dimensions50×30×26 cm
Airline fit17%
Price$523

Feature by feature

Attitude Supply ATD1 BackpackFeatureRab Adrift 30L Day Pack
Storage
4 Compression N
55L Expanded Capacity None
1 Opening 0
front Passport N
N Passthrough N
Carry
Y Backpack Y
removable Hip Belt removable
removable Sternum Strap Y
Inside
16in Laptop 16in
2 Main Compartments 2
Y Organizer Y
Outside
× Hard Shell ×
N Rain-fly N
2, side Water Bottle Holder 2, side
Y Water Resistant Y
Material
Challenge Sailcloth Ecopak® EPLX600nylon ripstop

Rab Adrift 30L Day Pack

by Rab
Front facing view of the Rab Adrift 30L Day Pack
Capacity30 L
Weight0.7 kg
Dimensions54×31×26 cm
Airline fit17%
Price$90

Key differences between the Attitude Supply ATD1 Backpack and Rab Adrift 30L Day Pack

Both have: backpack straps, hip belt, 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. 32 accept both. Every airline that takes one takes the other.

Attitude Supply ATD1 Backpack vs. Rab Adrift 30L Day Pack: which should you pack?

The Rab Adrift 30L Day Pack carries 7L more than the Attitude Supply ATD1 Backpack (23L vs. 30L), while the Rab Adrift 30L Day Pack is the lighter pack at 0.7kg (vs. 1.7kg). For carry-on flexibility, the Attitude Supply ATD1 Backpack fits 17% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Rab Adrift 30L Day Pack; if you want to travel lighter, the Rab Adrift 30L Day Pack is the better call.