Corsurf Waterproof Dry Backpack 40L vs Doughnut Navigator Duffelpack
The Corsurf Waterproof Dry Backpack 40L is 40L and 1.18kg2.6lb; the Doughnut Navigator Duffelpack is 40L and 1.14kg2.5lb. The Doughnut Navigator Duffelpack is 0.04kg0.1lb lighter. The Corsurf Waterproof Dry Backpack 40L fits the carry-on limit of 14 of 36 major airlines and the Doughnut Navigator Duffelpack fits 3; under the seat, 0 and 0 of 26.
| Spec | Corsurf Waterproof Dry Backpack 40L | Doughnut Navigator Duffelpack |
|---|---|---|
| Price | $79.99 | n/a |
| Volume | 40L | 40L |
| Weight | 1.18kg2.6lb | 1.14kg2.5lbBest |
| Carry-on compliance | 39%Best | 8% |
| Personal-item compliance | 0% | 0% |
| Dimensions | 53.3×38.1×20.3cm21×15×8in | 60×30×22cm23.5×12×8.5in |
| Laptop | sleeve, size not published | 17" |
| Opening | Roll-top, rolling hook-and-loop closure, splash-resistant outer pocket | Panel access, U-shape front zipper gives quick access to the main compartment; full width zippered closure front and top |
| Warranty | Lifetime | 1 year |
| Organizer | No | Yes |
| Shoe compartment | No | Yes |
| 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 | Removable |
| Load lifters | No | No |
| Shoulder strap | No | No |
| Luggage pass-through | No | No |
| Camera compartment | No | No |
| Material | Waterproof fabric with sonic-welded seams | Dimension-Polyant X-Pac, 420D Cordura Nylon |
| Last checked | 2026-10 | 2026-10 |
Where their airline fit differs
| Airline | Limit | Corsurf Waterproof Dry Backpack 40L | Doughnut Navigator Duffelpack |
|---|---|---|---|
| Air Canada | Carry-on | Fits | Too big |
| Allegiant Air | Carry-on | Fits | Too big |
| ANA (All Nippon Airways) | Carry-on | Fits | Too big |
| British Airways | Carry-on | Fits | Too big |
| easyJet | Carry-on | Fits | Too big |
| Lufthansa | Carry-on | Fits | Too big |
| Norwegian Air Shuttle | Carry-on | Fits | Too big |
| SAS | Carry-on | Fits | Too big |
| Turkish Airlines | Carry-on | Fits | Too big |
| Volaris | Carry-on | Fits | Too big |
| Wizz Air | 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.