Champs Luggage Onyx Everyday Backpack vs Rains Book Daypack Large
The Champs Luggage Onyx Everyday Backpack is 16L and 0.85kg1.9lb; the Rains Book Daypack Large is 16L and 0.83kg1.8lb. The Rains Book Daypack Large is 0.02kg0lb lighter. The Champs Luggage Onyx Everyday Backpack costs $15 less. The Champs Luggage Onyx Everyday Backpack fits the carry-on limit of 36 of 36 major airlines and the Rains Book Daypack Large fits 36; under the seat, 9 and 9 of 26.
| Spec | Champs Luggage Onyx Everyday Backpack | Rains Book Daypack Large |
|---|---|---|
| Price | $145Best | $160 |
| Volume | 16L | 16L |
| Weight | 0.85kg1.9lb | 0.83kg1.8lbBest |
| Carry-on compliance | 100% | 100% |
| Personal-item compliance | 35% | 35% |
| Dimensions | 41.9×28.7×14.5cm16.5×11.5×5.5in | 43×30×12cm17×12×4.5in |
| Laptop | 15.6" | 16"Best |
| Compartments | n/a | 1 |
| Opening | n/a | coated zip closure |
| Warranty | 10 years | 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 | No | No |
| Luggage pass-through | Yes | No |
| Camera compartment | No | No |
| Material | Water-resistant nylon | Rains signature waterproof PU-coated polyester (100% PES), 8,000 mm water column |
| Last checked | 2026-10 | 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.