Cabin Zero Classic Backpack 36L vs Gossamer Gear Kumo 36 Superlight Backpack
The Cabin Zero Classic Backpack 36L is 36L and 0.7kg1.5lb; the Gossamer Gear Kumo 36 Superlight Backpack is 36L and 0.57kg1.3lb. The Gossamer Gear Kumo 36 Superlight Backpack is 0.13kg0.3lb lighter. The Cabin Zero Classic Backpack 36L costs $80 less. The Cabin Zero Classic Backpack 36L fits the carry-on limit of 36 of 36 major airlines and the Gossamer Gear Kumo 36 Superlight Backpack fits 35; under the seat, 7 and 0 of 26.
| Spec | Cabin Zero Classic Backpack 36L | Gossamer Gear Kumo 36 Superlight Backpack |
|---|---|---|
| Price | $100Best | $180 |
| Volume | 36L | 36L |
| Weight | 0.7kg1.5lb | 0.57kg1.3lbBest |
| Carry-on compliance | 100%Best | 97% |
| Personal-item compliance | 27%Best | 0% |
| Dimensions | 45×31×20cm17.5×12×8in | 53.5×28×12cm21×11×4.5in |
| Laptop | 15.6" | no laptop sleeve |
| Compartments | n/a | 1 |
| Opening | Clamshell, Clamshell opening | n/a |
| Warranty | Lifetime | 1 year |
| Torso length | n/a | 43.2 to 54.6cm (17 to 21.5in) |
| Sizes | n/a | Small, Medium |
| Organizer | Yes | No |
| Shoe compartment | No | No |
| Hydration sleeve | No | No |
| Frame sheet | No | No |
| Water-resistant | Yes | No |
| Rain cover | No | No |
| MOLLE | No | No |
| Hip belt | No | Removable |
| Sternum strap | No | No |
| 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 and 100D recycled Robic nylon, PFAS free |
| Last checked | 2026-09 | 2026-09 |
Where their airline fit differs
| Airline | Limit | Cabin Zero Classic Backpack 36L | Gossamer Gear Kumo 36 Superlight Backpack |
|---|---|---|---|
| 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 |
| Frontier Airlines | Personal item | Fits | Too big |
| LATAM Airlines | Personal item | Fits | Too big |
| Qatar Airways | Carry-on | Fits | Too big |
| Volaris | Personal item | Fits | Too big |
Add more bags to this comparison
Specs come from each brand's own product page. Fit uses listed dimensions in any orientation. How we score carry-on fit.