Moment Everything Backpack 21L vs Ortlieb Daypack Metrosphere
The Moment Everything Backpack 21L is 21L and 0.8kg1.8lb; the Ortlieb Daypack Metrosphere is 21L and 0.83kg1.8lb. The Moment Everything Backpack 21L is 0.03kg0.1lb lighter. The Moment Everything Backpack 21L costs $70 less. The Moment Everything Backpack 21L fits the carry-on limit of 36 of 36 major airlines and the Ortlieb Daypack Metrosphere fits 36; under the seat, 0 and 0 of 26.
| Spec | Moment Everything Backpack 21L | Ortlieb Daypack Metrosphere |
|---|---|---|
| Price | $150Best | $220 |
| Volume | 21L | 21L |
| Weight | 0.8kg1.8lbBest | 0.83kg1.8lb |
| Carry-on compliance | 100% | 100% |
| Personal-item compliance | 0% | 0% |
| Dimensions | 47.5×29×15.2cm18.5×11.5×6in | 50×30×15.5cm19.5×12×6in |
| Laptop | 16" | sleeve, size not published |
| Opening | Clamshell, Full clamshell with side and top access | Roll-top, roll closure |
| Warranty | Lifetime | 5 years |
| Organizer | Yes | No |
| Shoe compartment | No | No |
| Hydration sleeve | No | No |
| Frame sheet | No | No |
| Water-resistant | No | Yes |
| Rain cover | No | No |
| MOLLE | No | No |
| Hip belt | No | No |
| Sternum strap | Yes | No |
| Load lifters | No | No |
| Shoulder strap | No | No |
| Luggage pass-through | Yes | No |
| Camera compartment | Insert sold separately | No |
| Bike-ready | No | No |
| Material | 420D nylon (Urban Ripstop) exterior, Velex interior, weatherproof main zippers | PU-coated nylon (ps33) |
| Last checked | 2026-09 | 2026-10 |
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.