Rains Delphi Backpack vs ULA Equipment 30L Robic Dragonfly
The Rains Delphi Backpack is 30L and 0.7kg1.5lb; the ULA Equipment 30L Robic Dragonfly is 30L and 0.7kg1.5lb. They weigh the same. The Rains Delphi Backpack costs $15 less. The Rains Delphi Backpack fits the carry-on limit of 36 of 36 major airlines and the ULA Equipment 30L Robic Dragonfly fits 36; under the seat, 0 and 0 of 26.
| Spec | Rains Delphi Backpack | ULA Equipment 30L Robic Dragonfly |
|---|---|---|
| Price | $225Best | $240 |
| Volume | 30L | 30L |
| Weight | 0.7kg1.5lb | 0.7kg1.5lb |
| Carry-on compliance | 100% | 100% |
| Personal-item compliance | 0% | 0% |
| Dimensions | 28.5×47.5×14cm11×18.5×5.5in | 47×28×18cm18.5×11×7in |
| Laptop | 15" | 15" |
| Compartments | n/a | 1 |
| Bottle pockets | 1 | 2 |
| Opening | zip-over main closure | Panel access, front panel load |
| Warranty | 2 years | Lifetime |
| Fit | n/a | Unisex |
| 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 | Yes | Removable |
| Load lifters | No | No |
| Shoulder strap | No | No |
| Luggage pass-through | Yes | No |
| Camera compartment | No | No |
| Material | 100% recycled nylon (PA) with satin-like water-repellent finish; coated zippers and TPU details | 400 Robic nylon (ripstop), PFAS-free DWR + 3-pass PU coating |
| Last checked | 2026-09 | 2026-09 |
Where their airline fit differs
Both bags pass and fail the same airline size limits.
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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.