Gregory Nano 16 vs WaterField Designs Packable Backpack
The Gregory Nano 16 is 16L and 0.36kg0.8lb; the WaterField Designs Packable Backpack is 16L and 0.34kg0.7lb. The WaterField Designs Packable Backpack is 0.02kg0lb lighter. The Gregory Nano 16 fits the carry-on limit of 36 of 36 major airlines and the WaterField Designs Packable Backpack fits 36; under the seat, 0 and 14 of 26.
| Spec | Gregory Nano 16 | WaterField Designs Packable Backpack |
|---|---|---|
| Price | n/a | $139 |
| Volume | 16L | 16L |
| Weight | 0.36kg0.8lb | 0.34kg0.7lbBest |
| Carry-on compliance | 100% | 100% |
| Personal-item compliance | 0% | 54%Best |
| Dimensions | 48×29×17cm19×11.5×6.5in | 38.1×27.9×15.2cm15×11×6in |
| Laptop | n/a | 16" |
| Bottle pockets | 1 | 2 |
| Opening | Top-loading, quick-pull drawcord closure | main compartment zip, zippered front pocket |
| Warranty | 50 years | Lifetime |
| Organizer | No | No |
| Shoe compartment | No | No |
| Hydration sleeve | Yes | 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 | No | No |
| Camera compartment | No | No |
| Bike-ready | No | No |
| Material | 210D high density 40% recycled nylon and 450D recycled polyester with PFAS-free C0 DWR, 135D recycled polyester lining | Custom water-resistant technical fabric, 400 x 300 denier ripstop nylon lining, splash-proof zippers |
| Last checked | 2026-10 | 2026-10 |
Where their airline fit differs
| Airline | Limit | Gregory Nano 16 | WaterField Designs Packable Backpack |
|---|---|---|---|
| Air Canada | Personal item | Too big | Fits |
| Allegiant Air | Personal item | Too big | Fits |
| American Airlines | Personal item | Too big | Fits |
| ANA (All Nippon Airways) | Personal item | Too big | Fits |
| British Airways | Personal item | Too big | Fits |
| easyJet | Personal item | Too big | Fits |
| Frontier Airlines | Personal item | Too big | Fits |
| JetBlue Airways | Personal item | Too big | Fits |
| LATAM Airlines | Personal item | Too big | Fits |
| Norwegian Air Shuttle | Personal item | Too big | Fits |
| Ryanair | Personal item | Too big | Fits |
| Volaris | 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.