ALPAKA Essential Backpack (16L) vs Mountainsmith Divide EVO Daypack
The ALPAKA Essential Backpack (16L) is 16L and 0.7kg1.5lb; the Mountainsmith Divide EVO Daypack is 16L and 0.7kg1.5lb. They weigh the same. The ALPAKA Essential Backpack (16L) costs $21 less. The ALPAKA Essential Backpack (16L) fits the carry-on limit of 36 of 36 major airlines and the Mountainsmith Divide EVO Daypack fits 36; under the seat, 7 and 7 of 26.
| Spec | ALPAKA Essential Backpack (16L) | Mountainsmith Divide EVO Daypack |
|---|---|---|
| Price | $109Best | $130 |
| Volume | 16L | 16L |
| Weight | 0.7kg1.5lb | 0.7kg1.5lb |
| Carry-on compliance | 100% | 100% |
| Personal-item compliance | 27% | 27% |
| Dimensions | 44×29×15cm17.5×11.5×6in | 44×29×15cm17.5×11.5×6in |
| Laptop | 16"Best | 15.4" |
| Compartments | n/a | 4 |
| Bottle pockets | 1 | 1 |
| Compression straps | n/a | 0 |
| Opening | wide-opening zip main compartment | n/a |
| Warranty | Lifetime | Lifetime |
| Torso length | n/a | 41 to 51cm (16 to 20in) |
| Organizer | Yes | Yes |
| Shoe compartment | No | No |
| Hydration sleeve | No | No |
| Frame sheet | No | No |
| Water-resistant | Yes | No |
| Rain cover | No | No |
| MOLLE | No | No |
| Hip belt | No | No |
| Sternum strap | No | No |
| Load lifters | No | No |
| Shoulder strap | No | No |
| Luggage pass-through | Yes | No |
| Camera compartment | No | No |
| Material | Axoflux 210D ripstop nylon exterior; Axoflux X-Grid 150D ripstop polyester interior; YKK zippers | 500D Nylon Cordura (Loden/Coyote colorways) or 500D Mil-DTL-32439 Type III Class 3 nylon (Multicam colorways) |
| Last checked | 2026-09 | 2026-09 |
Where their airline fit differs
Both bags pass and fail the same airline size limits.
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Specs come from each brand's own product page. Fit uses listed dimensions in any orientation. How we score carry-on fit.