Cabin Zero Classic Backpack 36L vs Gossamer Gear Fast Kumo 36 Fastpack
The Cabin Zero Classic Backpack 36L is 36L and 0.7kg1.5lb; the Gossamer Gear Fast Kumo 36 Fastpack is 36L and 0.61kg1.3lb. The Gossamer Gear Fast Kumo 36 Fastpack is 0.09kg0.2lb lighter. The Cabin Zero Classic Backpack 36L costs $90 less. The Cabin Zero Classic Backpack 36L fits the carry-on limit of 36 of 36 major airlines and the Gossamer Gear Fast Kumo 36 Fastpack fits 36; under the seat, 7 and 1 of 26.
| Spec | Cabin Zero Classic Backpack 36L | Gossamer Gear Fast Kumo 36 Fastpack |
|---|---|---|
| Price | $100Best | $190 |
| Volume | 36L | 36L |
| Weight | 0.7kg1.5lb | 0.61kg1.3lbBest |
| Carry-on compliance | 100% | 100% |
| Personal-item compliance | 27%Best | 4% |
| Dimensions | 45×31×20cm17.5×12×8in | 45.7×27×11.4cm18×10.5×4.5in |
| Laptop | 15.6" | no laptop sleeve |
| Compartments | n/a | 1 |
| Opening | Clamshell, Clamshell opening | Over-the-top closure |
| Warranty | Lifetime | 1 year |
| Sizes | n/a | S/M, M/L |
| Organizer | Yes | No |
| Shoe compartment | No | No |
| Hydration sleeve | No | Yes |
| Frame sheet | No | No |
| Water-resistant | Yes | No |
| Rain cover | No | No |
| MOLLE | No | No |
| Hip belt | No | Removable |
| Sternum strap | No | Yes |
| Load lifters | No | No |
| Shoulder strap | No | No |
| Luggage pass-through | No | No |
| Camera compartment | No | No |
| Material | 600 denier polyester body, 200 denier polyester lining, water-resistant | 70D Robic nylon top, 100D Robic nylon bottom |
| Last checked | 2026-09 | 2026-09 |
Where their airline fit differs
| Airline | Limit | Cabin Zero Classic Backpack 36L | Gossamer Gear Fast Kumo 36 Fastpack |
|---|---|---|---|
| Allegiant Air | Personal item | Fits | Too big |
| American Airlines | Personal item | Fits | Too big |
| British Airways | Personal item | Fits | Too big |
| easyJet | Personal item | Fits | Too big |
| LATAM Airlines | Personal item | Fits | Too big |
| Volaris | Personal item | 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.