Rains Delphi Backpack vs Six Moon Designs Wy'east Daypack
The Rains Delphi Backpack is 30L and 0.7kg1.5lb; the Six Moon Designs Wy'east Daypack is 30L and 0.71kg1.6lb. The Rains Delphi Backpack is 0.01kg0lb lighter. The Six Moon Designs Wy'east Daypack costs $40 less. The Rains Delphi Backpack fits the carry-on limit of 36 of 36 major airlines and the Six Moon Designs Wy'east Daypack fits 36; under the seat, 0 and 1 of 26.
| Spec | Rains Delphi Backpack | Six Moon Designs Wy'east Daypack |
|---|---|---|
| Price | $225 | $185Best |
| Volume | 30L | 30L |
| Weight | 0.7kg1.5lbBest | 0.71kg1.6lb |
| Carry-on compliance | 100% | 100% |
| Personal-item compliance | 0% | 4%Best |
| Dimensions | 28.5×47.5×14cm11×18.5×5.5in | 46×28×18cm18×11×7in |
| Laptop | 15" | n/a |
| Compartments | n/a | 1 |
| Bottle pockets | 1 | 2 |
| Opening | zip-over main closure | Top-loading, Top loading with drawstring closure and fixed lid |
| Warranty | 2 years | No fixed term |
| Torso length | n/a | 38 to 56cm (15 to 22in) |
| Organizer | Yes | No |
| Shoe compartment | No | No |
| Hydration sleeve | No | Removable |
| Frame sheet | No | No |
| Water-resistant | Yes | No |
| Rain cover | No | No |
| MOLLE | No | No |
| Hip belt | No | Removable |
| Sternum strap | Yes | No |
| Load lifters | No | No |
| Shoulder strap | No | No |
| Luggage pass-through | Yes | No |
| Camera compartment | No | No |
| Bike-ready | No | No |
| Material | 100% recycled nylon (PA) with satin-like water-repellent finish; coated zippers and TPU details | 210D Robic nylon (price shown) or X-Pac VX21, 3D mesh back, Ultra Stretch pockets |
| Last checked | 2026-09 | 2026-09 |
Where their airline fit differs
| Airline | Limit | Rains Delphi Backpack | Six Moon Designs Wy'east Daypack |
|---|---|---|---|
| Frontier Airlines | Personal item | 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.