KNKG CORE PRO Backpack Medium 25L vs Pacsafe X 25L
The KNKG CORE PRO Backpack Medium 25L is 25L and 1kg2.2lb; the Pacsafe X 25L is 25L and 1kg2.2lb. They weigh the same. The Pacsafe X 25L costs $21 less. The KNKG CORE PRO Backpack Medium 25L fits the carry-on limit of 35 of 36 major airlines and the Pacsafe X 25L fits 36; under the seat, 0 and 0 of 26.
| Spec | KNKG CORE PRO Backpack Medium 25L | Pacsafe X 25L |
|---|---|---|
| Price | $200 | $179Best |
| Volume | 25L | 25L |
| Weight | 1kg2.2lb | 1kg2.2lb |
| Carry-on compliance | 97% | 100%Best |
| Personal-item compliance | 0% | 0% |
| Dimensions | 50.8×30.5×17cm20×12×6.5in | 48×31×18cm19×12×7in |
| Laptop | 16" | 16" |
| Bottle pockets | 2 | n/a |
| Opening | Zippered main compartment | n/a |
| Warranty | 25 years | 5 years |
| Organizer | No | Yes |
| Shoe compartment | Yes | No |
| Hydration sleeve | No | No |
| Frame sheet | No | No |
| Water-resistant | No | Yes |
| Rain cover | No | No |
| MOLLE | No | No |
| Hip belt | No | No |
| Sternum strap | Yes | No |
| Load lifters | No | No |
| Shoulder strap | No | No |
| Luggage pass-through | Yes | Yes |
| Camera compartment | No | No |
| Material | 500D nylon body (PVC backing), ripstop nylon internal lining, YKK zippers, powder-coated steel hardware | 750D recycled polyester, 1000mm water resistant, PFC-free; 150D recycled polyester lining |
| Last checked | 2026-10 | 2026-09 |
Where their airline fit differs
| Airline | Limit | KNKG CORE PRO Backpack Medium 25L | Pacsafe X 25L |
|---|---|---|---|
| Qatar Airways | Carry-on | Too big | Fits |
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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.