Gregory Border Carry-On 40 vs KNKG APEX Backpack Large
The Gregory Border Carry-On 40 is 40L and 1.8kg4lb; the KNKG APEX Backpack Large is 40L and 1.9kg4.2lb. The Gregory Border Carry-On 40 is 0.1kg0.2lb lighter. The Gregory Border Carry-On 40 fits the carry-on limit of 4 of 36 major airlines and the KNKG APEX Backpack Large fits 1; under the seat, 0 and 0 of 26.
| Spec | Gregory Border Carry-On 40 | KNKG APEX Backpack Large |
|---|---|---|
| Price | $240 | $240 |
| Volume | 40L | 40L |
| Expands to | n/a | 45L |
| Weight | 1.8kg4lbBest | 1.9kg4.2lb |
| Carry-on compliance | 11%Best | 3% |
| Personal-item compliance | 0% | 0% |
| Dimensions | 56×37×23cm22×14.5×9in | 45×32×28cm17.5×12.5×11in |
| Laptop | 15" | 16"Best |
| Bottle pockets | 1 | 2 |
| Compression straps | 0 | n/a |
| Opening | Clamshell | Top-loading, Top opening plus an extra flat-lay opening compartment |
| Warranty | 50 years | 25 years |
| Organizer | Yes | No |
| Shoe compartment | No | Yes |
| Hydration sleeve | No | No |
| Frame sheet | No | No |
| Water-resistant | Yes | No |
| Rain cover | No | No |
| MOLLE | No | No |
| Hip belt | Hideable | Removable |
| Sternum strap | Yes | Removable |
| Load lifters | No | No |
| Shoulder strap | No | No |
| Luggage pass-through | Yes | Yes |
| Camera compartment | No | No |
| Bike-ready | No | No |
| Material | 600D recycled polyester ripstop with PFAS-free DWR | 1680D ballistic nylon body, ripstop nylon lining, YKK Vislon zippers, powder-coated steel hardware |
| Last checked | 2026-09 | 2026-10 |
Where their airline fit differs
| Airline | Limit | Gregory Border Carry-On 40 | KNKG APEX Backpack Large |
|---|---|---|---|
| British Airways | Carry-on | Fits | Too big |
| easyJet | Carry-on | Fits | Too big |
| Frontier Airlines | Carry-on | Fits | Too big |
| Singapore Airlines | Carry-on | Too big | Fits |
| Southwest Airlines | Carry-on | Fits | Too big |
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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.