Boundary Supply Errant Daypack vs. The Brown Buffalo Conceal Pack 21L
Two carry-on travel backpacks, compared spec for spec.
Boundary Supply Errant Daypack
| Capacity | 22 L |
| Weight | 1.4 kg |
| Dimensions | 48×26×14 cm |
| Airline fit | 93% |
| Price | $269 |
Feature by feature
| Boundary Supply Errant Daypack | Feature | The Brown Buffalo Conceal Pack 21L |
|---|---|---|
| Storage | ||
| 1 | Compression | N |
| None | Expanded Capacity | None |
| 1 | Opening | 1 |
| back | Passport | front |
| Y | Passthrough | Y |
| Carry | ||
| Y | Backpack | Y |
| removable | Hip Belt | N |
| removable | Sternum Strap | removable |
| Inside | ||
| 15in | Laptop | 15in |
| 5 | Main Compartments | 2 |
| N | Organizer | N |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| 1, side | Water Bottle Holder | N |
| Y | Water Resistant | Y |
| Material | |
| 500D Duramax Kodra | Challenge® Sailcloth EPX400 |
The Brown Buffalo Conceal Pack 21L
| Capacity | 21 L |
| Weight | 1.3 kg |
| Dimensions | 50×30×15 cm |
| Airline fit | 92% |
| Price | $325 |
Key differences between the Boundary Supply Errant Daypack and The Brown Buffalo Conceal Pack 21L
- Compression straps: 1 on the Boundary Supply Errant Daypack; No on the The Brown Buffalo Conceal Pack 21L.
- Passport pocket: Back on the Boundary Supply Errant Daypack; Front on the The Brown Buffalo Conceal Pack 21L.
- Hip belt: Removable on the Boundary Supply Errant Daypack; No on the The Brown Buffalo Conceal Pack 21L.
- Main compartments: 5 on the Boundary Supply Errant Daypack; 2 on the The Brown Buffalo Conceal Pack 21L.
- Water bottle pockets: 1, side on the Boundary Supply Errant Daypack; No on the The Brown Buffalo Conceal Pack 21L.
Both have: luggage passthrough, backpack straps, sternum strap, laptop sleeve, water resistant.
Which airlines take each bag as a carry-on
We checked both bags against the carry-on size limits of 189 airlines. 173 accept both. 3 accept only the Boundary Supply Errant Daypack, and 0 accept only the The Brown Buffalo Conceal Pack 21L.
Only the Boundary Supply Errant Daypack fits
Great Lakes Airlines, Regional Express, Virgin Australia.
Boundary Supply Errant Daypack vs. The Brown Buffalo Conceal Pack 21L: which should you pack?
The Boundary Supply Errant Daypack carries 1L more than the The Brown Buffalo Conceal Pack 21L (22L vs. 21L), while the The Brown Buffalo Conceal Pack 21L is the lighter pack at 1.3kg (vs. 1.4kg). 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 Boundary Supply Errant Daypack; if you want to travel lighter, the The Brown Buffalo Conceal Pack 21L is the better call.