CALPAK Luka 17 inch Laptop Backpack vs Gregory Arrio 30
The CALPAK Luka 17 inch Laptop Backpack is 30.6L and 0.91kg2lb; the Gregory Arrio 30 is 30L and 0.9kg2lb. The Gregory Arrio 30 is 0.01kg0lb lighter. The CALPAK Luka 17 inch Laptop Backpack fits the carry-on limit of 32 of 36 major airlines and the Gregory Arrio 30 fits 1; under the seat, 0 and 0 of 26.
| Spec | CALPAK Luka 17 inch Laptop Backpack | Gregory Arrio 30 |
|---|---|---|
| Price | $148 | n/a |
| Volume | 30.6L | 30L |
| Weight | 0.91kg2lb | 0.9kg2lbBest |
| Carry-on compliance | 89%Best | 3% |
| Personal-item compliance | 0% | 0% |
| Dimensions | 45.7×33×20.3cm18×13×8in | 57×30×26cm22.5×12×10in |
| Laptop | 17" | n/a |
| Bottle pockets | n/a | 2 |
| Opening | n/a | Top-loading, quick-pull drawcord opening to the main compartment |
| Warranty | n/a | 50 years |
| Organizer | Yes | No |
| Shoe compartment | Yes | No |
| Hydration sleeve | No | Yes |
| Frame sheet | No | Yes |
| Water-resistant | Yes | No |
| Rain cover | No | Yes |
| MOLLE | No | No |
| Hip belt | No | Yes |
| Sternum strap | No | Yes |
| Load lifters | No | No |
| Shoulder strap | No | No |
| Luggage pass-through | Yes | No |
| Camera compartment | No | No |
| Bike-ready | No | No |
| Material | Polyester | 210D nylon ripstop and 420D 40% recycled nylon with PFAS-free C0 DWR, 135D recycled polyester lining |
| Last checked | 2026-10 | 2026-10 |
Where their airline fit differs
| Airline | Limit | CALPAK Luka 17 inch Laptop Backpack | Gregory Arrio 30 |
|---|---|---|---|
| Air Canada | Carry-on | Fits | Too big |
| Air France | Carry-on | Fits | Too big |
| AirAsia | Carry-on | Fits | Too big |
| Alaska Airlines | Carry-on | Fits | Too big |
| Allegiant Air | Carry-on | Fits | Too big |
| American Airlines | Carry-on | Fits | Too big |
| ANA (All Nippon Airways) | Carry-on | Fits | Too big |
| Avianca | Carry-on | Fits | Too big |
| British Airways | Carry-on | Fits | Too big |
| Cebu Pacific | Carry-on | Fits | Too big |
| Delta Air Lines | Carry-on | Fits | Too big |
| easyJet | Carry-on | Fits | Too big |
| Emirates | Carry-on | Fits | Too big |
| Frontier Airlines | Carry-on | Fits | Too big |
| Gol Linhas Aereas | Carry-on | Fits | Too big |
| IndiGo | Carry-on | Fits | Too big |
| JetBlue Airways | Carry-on | Fits | Too big |
| KLM | Carry-on | Fits | Too big |
| LATAM Airlines | Carry-on | Fits | Too big |
| Lufthansa | Carry-on | Fits | Too big |
| Norwegian Air Shuttle | Carry-on | Fits | Too big |
| Qantas | Carry-on | Fits | Too big |
| Qatar Airways | Carry-on | Fits | Too big |
| SAS | Carry-on | Fits | Too big |
| Southwest Airlines | Carry-on | Fits | Too big |
| Turkish Airlines | Carry-on | Fits | Too big |
| United Airlines | Carry-on | Fits | Too big |
| Vietjet Air | Carry-on | Fits | Too big |
| Volaris | Carry-on | Fits | Too big |
| WestJet | Carry-on | Fits | Too big |
| Wizz Air | 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.