Vertx Siege 35L vs Vertx Urban Ghost Weekender 36L
The Vertx Siege 35L is 35L and 1.45kg3.2lb; the Vertx Urban Ghost Weekender 36L is 36L and 1.45kg3.2lb. They weigh the same. The Vertx Urban Ghost Weekender 36L costs $30 less. The Vertx Siege 35L fits the carry-on limit of 15 of 36 major airlines and the Vertx Urban Ghost Weekender 36L fits 1; under the seat, 0 and 0 of 26.
| Spec | Vertx Siege 35L | Vertx Urban Ghost Weekender 36L |
|---|---|---|
| Price | $239.99 | $209.99Best |
| Volume | 35L | 36L |
| Weight | 1.45kg3.2lb | 1.45kg3.2lb |
| Carry-on compliance | 42%Best | 3% |
| Personal-item compliance | 0% | 0% |
| Dimensions | 55.9×27.9×22.9cm22×11×9in | 54.6×31.8×25.4cm21.5×12.5×10in |
| Laptop | 16" | 17"Best |
| Bottle pockets | 2 | 1 |
| Opening | Zippered main compartment | Clamshell, Full clamshell main compartment |
| Warranty | 2 years | 2 years |
| Organizer | Yes | Yes |
| Shoe compartment | No | No |
| Hydration sleeve | No | No |
| Frame sheet | No | No |
| Water-resistant | Yes | No |
| Rain cover | No | No |
| MOLLE | Yes | No |
| Hip belt | Removable | No |
| Sternum strap | No | No |
| Load lifters | No | No |
| Shoulder strap | No | No |
| Luggage pass-through | No | Yes |
| Camera compartment | No | No |
| Bike-ready | No | No |
| Material | 330D nylon exterior, 500D laser-cut MOLLE | 420D nylon polycarbonate-coated ripstop, 210HD nylon PU-coated lining |
| Last checked | 2026-09 | 2026-09 |
Where their airline fit differs
| Airline | Limit | Vertx Siege 35L | Vertx Urban Ghost Weekender 36L |
|---|---|---|---|
| AirAsia | Carry-on | Fits | Too big |
| Alaska Airlines | Carry-on | Fits | Too big |
| American Airlines | 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 |
| Frontier Airlines | Carry-on | Fits | Too big |
| JetBlue Airways | Carry-on | Fits | Too big |
| Qantas | Carry-on | Fits | Too big |
| Southwest Airlines | Carry-on | Fits | Too big |
| United Airlines | Carry-on | Fits | Too big |
| Vietjet Air | Carry-on | Fits | Too big |
| WestJet | 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.