Jansport Double Break vs. Amazon Basics Ultralight Portable Packable Day Pack

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

Jansport Double Break

Front facing view of the Jansport Double Break
Capacity27 L
Weight0.4 kg
Dimensions42×31×14 cm
Airline fit95%
Price$45

Feature by feature

Jansport Double BreakFeatureAmazon Basics Ultralight Portable Packable Day Pack
Storage
N Compression Y
None Expanded Capacity None
4 Opening 4
N Passport N
N Passthrough N
Carry
Y Backpack Y
N Hip Belt N
N Sternum Strap N
Inside
15in Laptop N
1 Main Compartments 1
Y Organizer N
Outside
× Hard Shell ×
N Rain-fly N
1 Water Bottle Holder 1
Y Water Resistant Y
Material
400D Nylon PackclothNylon

Amazon Basics Ultralight Portable Packable Day Pack

Front facing view of the Amazon Basics Ultralight Portable Packable Day Pack
Capacity27 L
Weight158.8 kg
Dimensions44.5×29.2×19.1 cm
Airline fit95%
Price$20

Key differences between the Jansport Double Break and Amazon Basics Ultralight Portable Packable Day Pack

Both have: backpack straps, 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. 179 accept both. 0 accept only the Jansport Double Break, and 1 accept only the Amazon Basics Ultralight Portable Packable Day Pack.

Only the Amazon Basics Ultralight Portable Packable Day Pack fits

Air Niugini.

Jansport Double Break vs. Amazon Basics Ultralight Portable Packable Day Pack: which should you pack?

The Jansport Double Break carries the same capacity as the Amazon Basics Ultralight Portable Packable Day Pack (27L vs. 27L), while the Jansport Double Break is the lighter pack at 0.4kg (vs. 158.8kg). For carry-on flexibility, the Jansport Double Break fits 95% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Jansport Double Break; if you want to travel lighter, the Jansport Double Break is the better call.