Osprey Ozone Slim Pack vs Tom Bihn Paradigm
The Osprey Ozone Slim Pack is 10L and 0.51kg1.1lb; the Tom Bihn Paradigm is 9L and 0.51kg1.1lb. They weigh the same. The Osprey Ozone Slim Pack costs $70 less. The Osprey Ozone Slim Pack fits the carry-on limit of 36 of 36 major airlines and the Tom Bihn Paradigm fits 36; under the seat, 7 and 15 of 26.
| Spec | Osprey Ozone Slim Pack | Tom Bihn Paradigm |
|---|---|---|
| Price | $100Best | $170 |
| Volume | 10L | 9L |
| Weight | 0.51kg1.1lb | 0.51kg1.1lb |
| Carry-on compliance | 100% | 100% |
| Personal-item compliance | 27% | 58%Best |
| Dimensions | 45×29×18cm17.5×11.5×7in | 32.5×25×19.5cm13×10×7.5in |
| Laptop | 16" | no laptop sleeve |
| Bottle pockets | 2 | n/a |
| Opening | Panel access, panel access to main compartment | n/a |
| Warranty | Lifetime | Lifetime |
| Organizer | Yes | No |
| Shoe compartment | No | No |
| Hydration sleeve | No | No |
| Frame sheet | No | No |
| Water-resistant | Yes | No |
| 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 | bluesign approved 100% recycled 210D high-tenacity nylon ripstop coated with carbonate, 420D recycled nylon bottom with PFAS-free DWR | 420d UHMWPE/nylon Spectron ripstop exterior, bluesign certified 210d Cerylon ripstop interior, closed-cell foam back panel |
| Last checked | 2026-09 | 2026-09 |
Where their airline fit differs
| Airline | Limit | Osprey Ozone Slim Pack | Tom Bihn Paradigm |
|---|---|---|---|
| Air Arabia | Personal item | Too big | Fits |
| ANA (All Nippon Airways) | Personal item | Too big | Fits |
| JetBlue Airways | Personal item | Too big | Fits |
| Norwegian Air Shuttle | Personal item | Too big | Fits |
| Ryanair | Personal item | Too big | Fits |
| United Airlines | Personal item | Too big | Fits |
| Vueling | Personal item | Too big | Fits |
| Wizz Air | 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.