Antler Discovery 28L Backpack vs Doughnut Astir Large
The Antler Discovery 28L Backpack is 28L and 1.17kg2.6lb; the Doughnut Astir Large is 28L and 1.15kg2.5lb. The Doughnut Astir Large is 0.02kg0lb lighter. The Antler Discovery 28L Backpack fits the carry-on limit of 36 of 36 major airlines and the Doughnut Astir Large fits 35; under the seat, 7 and 0 of 26.
| Spec | Antler Discovery 28L Backpack | Doughnut Astir Large |
|---|---|---|
| Price | $195 | n/a |
| Volume | 28L | 28L |
| Weight | 1.17kg2.6lb | 1.15kg2.5lbBest |
| Carry-on compliance | 100%Best | 97% |
| Personal-item compliance | 27%Best | 0% |
| Dimensions | 45×31×20cm17.5×12×8in | 54×31×19cm21.5×12×7.5in |
| Laptop | 16.5"Best | 15" |
| Bottle pockets | 1 | 1 |
| Warranty | Lifetime | 1 year |
| Organizer | Yes | 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 | No |
| Load lifters | No | No |
| Shoulder strap | No | No |
| Luggage pass-through | Yes | No |
| Camera compartment | No | No |
| Material | 100% recycled polyester with twisted ripstop reinforcement | 420D Cordura Nylon mixed with anti-cut fabric (EN388 2003 cut level 5) |
| Last checked | 2026-10 | 2026-10 |
Where their airline fit differs
| Airline | Limit | Antler Discovery 28L Backpack | Doughnut Astir Large |
|---|---|---|---|
| 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 |
| LATAM Airlines | Personal item | Fits | Too big |
| Qatar Airways | Carry-on | 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.