Boundary Supply Errant Daypack vs. HEIMPLANET Travel Pack 28

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

Boundary Supply Errant Daypack

Front facing view of the Boundary Supply Errant Daypack
Capacity22 L
Weight1.4 kg
Dimensions48×26×14 cm
Airline fit93%
Price$269

Feature by feature

Boundary Supply Errant DaypackFeatureHEIMPLANET Travel Pack 28
Storage
1 Compression 2
None Expanded Capacity None
1 Opening 1
back Passport top
Y Passthrough Y
Carry
Y Backpack Y
removable Hip Belt removable
removable Sternum Strap removable
Inside
15in Laptop 15in
5 Main Compartments 4
N Organizer Y
Outside
× Hard Shell ×
N Rain-fly N
1, side Water Bottle Holder 1, side
Y Water Resistant Y
Material
500D Duramax KodraDYECOSHELL

HEIMPLANET Travel Pack 28

Front facing view of the HEIMPLANET Travel Pack 28
Capacity28 L
Weight1.5 kg
Dimensions50×32×19 cm
Airline fit91%
Price$217

Key differences between the Boundary Supply Errant Daypack and HEIMPLANET Travel Pack 28

Both have: luggage passthrough, backpack straps, hip belt, sternum strap, 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. 172 accept both. 4 accept only the Boundary Supply Errant Daypack, and 0 accept only the HEIMPLANET Travel Pack 28.

Only the Boundary Supply Errant Daypack fits

Air Niugini, Great Lakes Airlines, Regional Express, Virgin Australia.

Boundary Supply Errant Daypack vs. HEIMPLANET Travel Pack 28: which should you pack?

The HEIMPLANET Travel Pack 28 carries 6L more than the Boundary Supply Errant Daypack (22L vs. 28L), while the Boundary Supply Errant Daypack is the lighter pack at 1.4kg (vs. 1.5kg). For carry-on flexibility, the Boundary Supply Errant Daypack fits 93% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the HEIMPLANET Travel Pack 28; if you want to travel lighter, the Boundary Supply Errant Daypack is the better call.