Antler Stamford 2.0 Cabin Suitcase vs Champs Luggage Onyx II Carry-on
The Antler Stamford 2.0 Cabin Suitcase is 37L and 2.77kg6.1lb; the Champs Luggage Onyx II Carry-on is 38L and 2.7kg6lb. The Champs Luggage Onyx II Carry-on is 0.07kg0.2lb lighter. The Antler Stamford 2.0 Cabin Suitcase fits the carry-on limit of 5 of 36 major airlines and the Champs Luggage Onyx II Carry-on fits 23; under the seat, 0 and 0 of 26.
| Spec | Antler Stamford 2.0 Cabin Suitcase | Champs Luggage Onyx II Carry-on |
|---|---|---|
| Price | n/a | $250 |
| Volume | 37L | 38L |
| Weight | 2.77kg6.1lb | 2.7kg6lbBest |
| Carry-on compliance | 14% | 64%Best |
| Personal-item compliance | 0% | 0% |
| Dimensions | 54.1×40.2×20cm21.5×16×8in | 53.3×35.6×22.9cm21×14×9in |
| Laptop | n/a | 15.6" |
| Warranty | Lifetime | 10 years |
| Organizer | Yes | Yes |
| Shoe compartment | No | 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 | No | No |
| Load lifters | No | No |
| Shoulder strap | No | No |
| Luggage pass-through | No | No |
| Camera compartment | No | No |
| Bike-ready | No | No |
| Material | Polycarbonate | Polycarbonate |
| Last checked | 2026-10 | 2026-10 |
Where their airline fit differs
| Airline | Limit | Antler Stamford 2.0 Cabin Suitcase | Champs Luggage Onyx II Carry-on |
|---|---|---|---|
| Air Canada | Carry-on | Too big | Fits |
| AirAsia | Carry-on | Too big | Fits |
| Alaska Airlines | Carry-on | Too big | Fits |
| Allegiant Air | Carry-on | Too big | Fits |
| American Airlines | Carry-on | Too big | Fits |
| ANA (All Nippon Airways) | Carry-on | Too big | Fits |
| Cebu Pacific | Carry-on | Too big | Fits |
| Delta Air Lines | Carry-on | Too big | Fits |
| JetBlue Airways | Carry-on | Too big | Fits |
| Lufthansa | Carry-on | Too big | Fits |
| Norwegian Air Shuttle | Carry-on | Too big | Fits |
| Qantas | Carry-on | Too big | Fits |
| SAS | Carry-on | Too big | Fits |
| Turkish Airlines | Carry-on | Too big | Fits |
| Vietjet Air | Carry-on | Too big | Fits |
| Volaris | Carry-on | Too big | Fits |
| WestJet | Carry-on | Too big | Fits |
| Wizz Air | 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.