Fjällräven Ulvö 23 vs Herschel Retreat Backpack
The Fjällräven Ulvö 23 is 23L and 0.7kg1.5lb; the Herschel Retreat Backpack is 23L and 0.74kg1.6lb. The Fjällräven Ulvö 23 is 0.04kg0.1lb lighter. The Herschel Retreat Backpack costs $5 less. The Fjällräven Ulvö 23 fits the carry-on limit of 36 of 36 major airlines and the Herschel Retreat Backpack fits 36; under the seat, 7 and 1 of 26.
| Spec | Fjällräven Ulvö 23 | Herschel Retreat Backpack |
|---|---|---|
| Price | $125 | $120Best |
| Volume | 23L | 23L |
| Weight | 0.7kg1.5lbBest | 0.74kg1.6lb |
| Carry-on compliance | 100% | 100% |
| Personal-item compliance | 27%Best | 4% |
| Dimensions | 45×28×12.5cm17.5×11×5in | 46×28×15cm18×11×6in |
| Laptop | 15" | 16"Best |
| Bottle pockets | n/a | 2 |
| Opening | Top-loading, top zip | Top-loading, Drawcord top with magnetic strap flap and side entry zipper |
| Warranty | Lifetime | Lifetime |
| Fit | Unisex | n/a |
| 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 | Removable | Insert sold separately |
| Load lifters | No | No |
| Shoulder strap | No | No |
| Luggage pass-through | No | No |
| Camera compartment | No | No |
| Material | Bergshell fabric, 100% recycled nylon (400D polyamide) | 100% recycled 600D polyester, 100% recycled polyester liner |
| Last checked | 2026-09 | 2026-09 |
Where their airline fit differs
| Airline | Limit | Fjällräven Ulvö 23 | Herschel Retreat Backpack |
|---|---|---|---|
| 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 |
| LATAM Airlines | Personal item | Fits | Too big |
| Volaris | 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.