Mountainsmith Divide EVO Daypack vs. REI Co-op Flash Pack 22
Two carry-on travel backpacks, compared spec for spec.
Mountainsmith Divide EVO Daypack
| Capacity | 16 L |
| Weight | 0.7 kg |
| Dimensions | 44×29×15 cm |
| Airline fit | 95% |
| Price | $130 |
Feature by feature
| Mountainsmith Divide EVO Daypack | Feature | REI Co-op Flash Pack 22 |
|---|---|---|
| Storage | ||
| N | Compression | N |
| None | Expanded Capacity | None |
| 0 | Opening | 3 |
| front | Passport | top |
| N | Passthrough | N |
| Carry | ||
| Y | Backpack | Y |
| N | Hip Belt | Y |
| removable | Sternum Strap | removable |
| Inside | ||
| 15in | Laptop | 15in |
| 3 | Main Compartments | 3 |
| N | Organizer | N |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| 2, side | Water Bottle Holder | 2, side |
| Y | Water Resistant | N |
| Material | |
| 500d Nylon Cordura | Recycled nylon (bluesign®;-approved) |
REI Co-op Flash Pack 22
| Capacity | 22 L |
| Weight | 0.4 kg |
| Dimensions | 48×28×20 cm |
| Airline fit | 93% |
| Price | $60 |
Key differences between the Mountainsmith Divide EVO Daypack and REI Co-op Flash Pack 22
- Opening: Other on the Mountainsmith Divide EVO Daypack; Top flap on the REI Co-op Flash Pack 22.
- Passport pocket: Front on the Mountainsmith Divide EVO Daypack; Top on the REI Co-op Flash Pack 22.
- Hip belt: No on the Mountainsmith Divide EVO Daypack; Yes on the REI Co-op Flash Pack 22.
- Water resistant: Yes on the Mountainsmith Divide EVO Daypack; No on the REI Co-op Flash Pack 22.
Both have: backpack straps, sternum strap, laptop sleeve, water bottle pockets.
Which airlines take each bag as a carry-on
We checked both bags against the carry-on size limits of 189 airlines. 175 accept both. 5 accept only the Mountainsmith Divide EVO Daypack, and 1 accept only the REI Co-op Flash Pack 22.
Only the Mountainsmith Divide EVO Daypack fits
Air Tahiti, American Eagle, easyJet, Gulf Air, Ravn Alaska.
Only the REI Co-op Flash Pack 22 fits
Great Lakes Airlines.
Mountainsmith Divide EVO Daypack vs. REI Co-op Flash Pack 22: which should you pack?
The REI Co-op Flash Pack 22 carries 6L more than the Mountainsmith Divide EVO Daypack (16L vs. 22L), while the REI Co-op Flash Pack 22 is the lighter pack at 0.4kg (vs. 0.7kg). For carry-on flexibility, the Mountainsmith Divide EVO Daypack fits 95% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the REI Co-op Flash Pack 22; if you want to travel lighter, the REI Co-op Flash Pack 22 is the better call.