DEFY VerBockel 'Day Pack' Roll Top Backpack 2.0 vs Gregory Quarry 20
The DEFY VerBockel 'Day Pack' Roll Top Backpack 2.0 is 21L and 1.59kg3.5lb; the Gregory Quarry 20 is 20L and 1.6kg3.5lb. The DEFY VerBockel 'Day Pack' Roll Top Backpack 2.0 is 0.01kg0lb lighter. The DEFY VerBockel 'Day Pack' Roll Top Backpack 2.0 fits the carry-on limit of 36 of 36 major airlines and the Gregory Quarry 20 fits 36; under the seat, 10 and 0 of 26.
| Spec | DEFY VerBockel 'Day Pack' Roll Top Backpack 2.0 | Gregory Quarry 20 |
|---|---|---|
| Price | $299 | n/a |
| Volume | 21L | 20L |
| Expands to | 30L | n/a |
| Weight | 1.59kg3.5lbBest | 1.6kg3.5lb |
| Carry-on compliance | 100% | 100% |
| Personal-item compliance | 38%Best | 0% |
| Dimensions | 39.4×31.8×14cm15.5×12.5×5.5in | 49×35×15cm19.5×14×6in |
| Laptop | 16" | 16" |
| Opening | Roll-top, roll-top main compartment with AustriAlpin COBRA buckle, front zip pocket | n/a |
| Warranty | No fixed term | 50 years |
| Organizer | No | Removable |
| Shoe compartment | No | No |
| Hydration sleeve | No | No |
| Frame sheet | No | No |
| Water-resistant | Yes | No |
| Rain cover | No | No |
| MOLLE | Yes | No |
| Hip belt | No | No |
| Sternum strap | No | Yes |
| Load lifters | No | No |
| Shoulder strap | No | No |
| Luggage pass-through | No | No |
| Camera compartment | No | No |
| Material | 1050D MIL-SPEC ballistic nylon exterior, 1000D water-resistant silver CORDURA interior pockets, YKK AquaGuard zippers | 500D waxed nylon with PU coated leather bottom and zipper pulls |
| Last checked | 2026-10 | 2026-09 |
Where their airline fit differs
| Airline | Limit | DEFY VerBockel 'Day Pack' Roll Top Backpack 2.0 | Gregory Quarry 20 |
|---|---|---|---|
| Air Canada | Personal item | Fits | Too big |
| Allegiant Air | Personal item | Fits | Too big |
| American Airlines | Personal item | Fits | Too big |
| British Airways | Personal item | Fits | Too big |
| easyJet | Personal item | Fits | Too big |
| Frontier Airlines | Personal item | Fits | Too big |
| JetBlue Airways | Personal item | Fits | Too big |
| LATAM Airlines | Personal item | Fits | Too big |
| Volaris | Personal item | Fits | Too big |
| WestJet | Personal item | 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.