Wandrd PRVKE 21 vs. Boundary Supply Errant Daypack

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

Wandrd PRVKE 21

Front facing view of the Wandrd PRVKE 21
Capacity21 L
Weight1.3 kg
Dimensions48×28×17 cm
Airline fit93%
Price$219

Feature by feature

Wandrd PRVKE 21FeatureBoundary Supply Errant Daypack
Storage
2 Compression 1
None Expanded Capacity None
1 Opening 1
back Passport back
Y Passthrough Y
Carry
Y Backpack Y
removable Hip Belt removable
removable Sternum Strap removable
Inside
15in Laptop 15in
3 Main Compartments 5
Y Organizer N
Outside
× Hard Shell ×
Y Rain-fly N
1, side Water Bottle Holder 1, side
Y Water Resistant Y
Material
Tarpaulin and Ballistic 1680 D Nylon Weather Resistant YKK Zippers500D Duramax Kodra

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

Key differences between the Wandrd PRVKE 21 and Boundary Supply Errant Daypack

Both have: passport pocket, 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. 176 accept both. Every airline that takes one takes the other.

Wandrd PRVKE 21 vs. Boundary Supply Errant Daypack: which should you pack?

The Boundary Supply Errant Daypack carries 1L more than the Wandrd PRVKE 21 (21L vs. 22L), while the Wandrd PRVKE 21 is the lighter pack at 1.3kg (vs. 1.4kg). For carry-on flexibility, the Wandrd PRVKE 21 fits 93% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Boundary Supply Errant Daypack; if you want to travel lighter, the Wandrd PRVKE 21 is the better call.