ALPAKA Momentum Duffel vs Rains Hilo Weekend Bag
The ALPAKA Momentum Duffel is 35L and 0.82kg1.8lb; the Rains Hilo Weekend Bag is 36L and 0.79kg1.7lb. The Rains Hilo Weekend Bag is 0.03kg0.1lb lighter. The Rains Hilo Weekend Bag costs $64 less. The ALPAKA Momentum Duffel fits the carry-on limit of 3 of 36 major airlines and the Rains Hilo Weekend Bag fits 1; under the seat, 0 and 0 of 26.
| Spec | ALPAKA Momentum Duffel | Rains Hilo Weekend Bag |
|---|---|---|
| Price | $189 | $125Best |
| Volume | 35L | 36L |
| Weight | 0.82kg1.8lb | 0.79kg1.7lbBest |
| Carry-on compliance | 8%Best | 3% |
| Personal-item compliance | 0% | 0% |
| Dimensions | 26×58×25cm10×23×10in | 27×52×26cm10.5×20.5×10in |
| Laptop | no laptop sleeve | no laptop sleeve |
| Compartments | n/a | 1 |
| Opening | wide-opening zip main compartment | full-length coated zip |
| Warranty | Lifetime | 2 years |
| 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 | No | No |
| Load lifters | No | No |
| Shoulder strap | Removable | Removable |
| Luggage pass-through | Yes | No |
| Camera compartment | No | No |
| Bike-ready | No | No |
| Material | Axodyne weatherproof composite; YKK AquaGuard zippers | Rains signature waterproof PU-coated polyester (100% PES), 8,000 mm water column |
| Last checked | 2026-09 | 2026-09 |
Where their airline fit differs
| Airline | Limit | ALPAKA Momentum Duffel | Rains Hilo Weekend Bag |
|---|---|---|---|
| Frontier Airlines | Carry-on | Fits | Too big |
| Southwest Airlines | 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.