Aer Tech Pack 3 vs Côte&Ciel Isar M
The Aer Tech Pack 3 is 16L and 1.5kg3.3lb; the Côte&Ciel Isar M is 16L and 1.66kg3.7lb. The Aer Tech Pack 3 is 0.16kg0.4lb lighter. The Aer Tech Pack 3 costs $136 less. The Aer Tech Pack 3 fits the carry-on limit of 36 of 36 major airlines and the Côte&Ciel Isar M fits 3; under the seat, 1 and 0 of 26.
| Spec | Aer Tech Pack 3 | Côte&Ciel Isar M |
|---|---|---|
| Price | $219Best | $355 |
| Volume | 16L | 16L |
| Weight | 1.5kg3.3lbBest | 1.66kg3.7lb |
| Carry-on compliance | 100%Best | 8% |
| Personal-item compliance | 4%Best | 0% |
| Dimensions | 46×31×18cm18×12×7in | 60×31×20cm23.5×12×8in |
| Laptop | 16" | 16" |
| Compartments | 3 | n/a |
| Bottle pockets | 1 | n/a |
| Compression straps | 0 | n/a |
| Warranty | Lifetime | 1 year |
| Organizer | Yes | No |
| Shoe compartment | No | No |
| Hydration sleeve | No | No |
| Frame sheet | No | No |
| Water-resistant | Yes | Yes |
| 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 | 1680D Cordura ballistic nylon exterior with 840D weather-resistant-coated nylon face, recycled nylon lining, YKK zippers | EcoYarn polyester, grey interior, matt black hardware |
| Last checked | 2026-09 | 2026-10 |
Where their airline fit differs
| Airline | Limit | Aer Tech Pack 3 | Côte&Ciel Isar M |
|---|---|---|---|
| Air Arabia | Carry-on | Fits | Too big |
| Air Canada | Carry-on | Fits | Too big |
| Air France | Carry-on | Fits | Too big |
| Air India | 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 | Personal item | 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 |
| Ryanair | Carry-on | Fits | Too big |
| SAS | 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 |
| Vueling | 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.